Year Item Type Full Text

Article

Cervical screening: Perceptions and barriers to uptake among Somali women in Camden. (2009) Abdullahi, A; Copping, J; Kessel, A; Luck, M; Bonell, C

The clustering of risk behaviours in adolescence and health consequences in middle age. (2019) Akasaki, Mifuyu; Ploubidis, George B; Dodgeon, Brian; Bonell, Chris P

Does the UK government's teenage pregnancy strategy deal with the correct risk factors? Findings from a secondary analysis of data from a randomised trial of sex education and their implications for policy. (2007) Allen, E; Bonell, C; Strange, V; Copas, A; Stephenson, J; Johnson, AM; Oakley, A

Family focused interventions that address parental domestic violence and abuse, mental ill-health, and substance misuse in combination: A systematic review. (2022) Allen, Kate; Melendez-Torres, GJ; Ford, Tamsin; Bonell, Chris; Finning, Katie; Fredlund, Mary; Gainsbury, Alexa; Berry, Vashti

Parents' and teachers' attitudes to and experiences of the implementation of COVID-19 preventive measures in primary and secondary schools following reopening of schools in autumn 2020: a descriptive cross-sectional survey. (2022) Amin-Chowdhury, Zahin; Bertran, Marta; Kall, Meaghan; Ireland, Georgina; Aiano, Felicity; Powell, Annabel; Jones, Samuel E; Brent, Andrew J; Brent, Bernadette E; Baawuah, Frances; Okike, Ifeanychukwu; Beckmann, Joanne; Garstang, Joanna; Ahmad, Shazaad; Sundaram, Neisha; Bonell, Chris; Langan, Sinéad M; Hargreaves, James; Ladhani, Shamez N

Involving men and boys in family planning: A systematic review of the effective components and characteristics of complex interventions in low- and middle-income countries. (2023) Aventin, Áine; Robinson, Martin; Hanratty, Jennifer; Keenan, Ciara; Hamilton, Jayne; McAteer, Eimear Ruane; Tomlinson, Mark; Clarke, Mike; Okonofua, Friday; Bonell, Chris; Lohan, Maria

PROTOCOL: Involving men and boys in family planning: A systematic review of the effective components and characteristics of complex interventions in low- and middle-income countries. (2021) Aventin, Áine; Robinson, Martin; Hanratty, Jennifer; Ruane-McAteer, Eimear; Tomlinson, Mark; Clarke, Mike; Okonofua, Friday; Bonell, Chris; Lohan, Maria

Socioeconomic differences in the benefits of structured physical activity compared with health education on the prevention of major mobility disability in older adults: the LIFE study. (2016) Bann, David; Chen, Haiying; Bonell, Chris; Glynn, Nancy W; Fielding, Roger A; Manini, Todd; King, Abby C; Pahor, Marco; Mihalko, Shannon L; Gill, Thomas M; Life Study investigators

‘They don’t even teach you how to make money!’ What insights can marginalised young people provide into developing inclusive education policy? (2024) Barker, Rhiannon; Bonell, Chris; Melendez-Torres, GJ

‘In It From the Beginning’: How Do Young Men and Boys Explain Their Entry Into Criminal Gangs? (2025) Barker, Rhiannon; Bonell, Chris; Melendez-Torres, GJ

Research priorities for mental health in schools in the wake of COVID-19. (2021) Barker, Rhiannon; Hartwell, Greg; Bonell, Chris; Egan, Matt; Lock, Karen; Viner, Russell M

Contraceptive use and pregnancy planning in Britain during the first year of the COVID-19 pandemic: findings from a large, quasi-representative survey (Natsal-COVID). (2023) Baxter, Andrew J; Geary, Rebecca S; Dema, Emily; Bosó Pérez, Raquel; Riddell, Julie; Willis, Malachi; Conolly, Anne; Oakley, Laura L; Copas, Andrew J; Gibbs, Jo; Bonell, Christopher; Sonnenberg, Pam; Mercer, Catherine H; Clifton, Soazig; Field, Nigel; Mitchell, Kirsten

The role of family and school-level factors in bullying and cyberbullying: a cross-sectional study. (2017) Bevilacqua, Leonardo; Shackleton, Nichola; Hale, Daniel; Allen, Elizabeth; Bond, Lyndal; Christie, Deborah; Elbourne, Diana; Fitzgerald-Yau, Natasha; Fletcher, Adam; Jones, Rebecca; Miners, Alec; Scott, Stephen; Wiggins, Meg; Bonell, Chris; Viner, Russell M

Families and communities responding to AIDS. (2001) Bonell, C

Why is teenage pregnancy conceptualized as a social problem? A review of quantitative research from the USA and UK. (2004) Bonell, C

Letting them die: Why HIV/AIDS prevention programmes fail. (2005) Bonell, C

The effect of dislike of school on risk of teenage pregnancy: testing of hypotheses using longitudinal data from a randomised trial of sex education. (2005) Bonell, C; Allen, E; Strange, V; Copas, A; Oakley, A; Stephenson, J; Johnson, A

Influence of family type and parenting behaviours on teenage sexual behaviour and conceptions. (2006) Bonell, C; Allen, E; Strange, V; Oakley, A; Copas, A; Johnson, A; Stephenson, J

Addressing the wider determinants of problematic drug use: advantages of whole-population over targeted interventions. (2008) Bonell, C; Fletcher, A

Where next with theory and research on how the school environment influences young people's substance use? (2016) Bonell, C; Fletcher, A; Jamal, F; Aveyard, P; Markham, W

Improving school ethos may reduce substance misuse and teenage pregnancy. (2007) Bonell, C; Fletcher, A; McCambridge, J

Behavioural interventions to prevent HIV infection: rapid evolution, increasing rigour, moderate success. (2001) Bonell, C; Imrie, J

Assessment of generalisability in trials of health interventions: suggested framework and systematic review. (2006) Bonell, C; Oakley, A; Hargreaves, J; Strange, V; Rees, R

Student- and school-level belonging and commitment and student smoking, drinking and misbehaviour. (2016) Bonell, C; Shackleton, N; Fletcher, A; Jamal, F; Allen, E; Mathiot, A; Markham, W; Aveyard, P; Viner, R description

Reducing sexually transmitted infections among gay men. Social and behavioural interventions are effective in preventing HIV transmission. (2001) Bonell, C; Strange, V

Addressing gay men's use of methamphetamine and other substances. (2008) Bonell, C; Weatherburn, P; Rhodes, T; Hickson, F; Keogh, P; Elford, J

The effects on student health of interventions modifying the school environment: systematic review. (2013) Bonell, C; Wells, H; Harden, A; Jamal, F; Fletcher, A; Thomas, J; Campbell, R; Petticrew, M; Whitehead, M; Murphy, S; Moore, L

Theories of how the school environment impacts on student health: systematic review and synthesis. (2013) Bonell, CP; Fletcher, A; Jamal, F; Wells, H; Harden, A; Murphy, S; Thomas, J

Alternatives to randomisation in the evaluation of public health interventions: design challenges and solutions. (2009) Bonell, CP; Hargreaves, J; Cousens, S; Ross, D; Hayes, R; Petticrew, M; Kirkwood, BR html

Effect of social exclusion on the risk of teenage pregnancy: development of hypotheses using baseline data from a randomised trial of sex education. (2003) Bonell, CP; Strange, VJ; Stephenson, JM; Oakley, AR; Copas, AJ; Forrest, SP; Johnson, AM; Black, S

Normalized management of HIV prevention services in an advanced liberal NHS in the 1990s. (2006) Bonell, Chris

The utility of randomized controlled trials of social interventions: An examination of two trials of HIV prevention. (2002) Bonell, Chris

The politics of the research‐policy interface: randomised trials and the commissioning of HIV prevention services. (2002) Bonell, Chris

Why is teenage pregnancy conceptualized as a social problem? A review of quantitative research from the USA and UK. (2004) Bonell, Chris

Initiating change locally in bullying and aggression through the school environment (INCLUSIVE): study protocol for a cluster randomised controlled trial. (2014) Bonell, Chris; Allen, Elizabeth; Christie, Deborah; Elbourne, Diana; Fletcher, Adam; Grieve, Richard; LeGood, Rosa; Mathiot, Anne; Scott, Stephen; Wiggins, Meg; Viner, Russell M

Examining intervention mechanisms of action using mediation analysis within a randomised trial of a whole-school health intervention. (2019) Bonell, Chris; Allen, Elizabeth; Opondo, Charles; Warren, Emily; Elbourne, Diana Ruth; Sturgess, Joanna; Bevilacqua, Leonardo; McGowan, Jennifer; Mathiot, Anne; Viner, Russell M

Effects of the Learning Together intervention on bullying and aggression in English secondary schools (INCLUSIVE): a cluster randomised controlled trial. (2018) Bonell, Chris; Allen, Elizabeth; Warren, Emily; McGowan, Jennifer; Bevilacqua, Leonardo; Jamal, Farah; Legood, Rosa; Wiggins, Meg; Opondo, Charles; Mathiot, Anne; Sturgess, Jo; Fletcher, Adam; Sadique, Zia; Elbourne, Diana; Christie, Deborah; Bond, Lyndal; Scott, Stephen; Viner, Russell M

Modifying the secondary school environment to reduce bullying and aggression: the INCLUSIVE cluster RCT. (2019) Bonell, Chris; Allen, Elizabeth; Warren, Emily; McGowan, Jennifer; Bevilacqua, Leonardo; Jamal, Farah; Sadique, Zia; Legood, Rosa; Wiggins, Meg; Opondo, Charles; Mathiot, Anne; Sturgess, Joanna; Paparini, Sara; Fletcher, Adam; Perry, Miranda; West, Grace; Tancred, Tara; Scott, Stephen; Elbourne, Diana; Christie, Deborah; Bond, Lyndal; Viner, Russell M

Effects of school environments on student risk-behaviours: evidence from a longitudinal study of secondary schools in England. (2019) Bonell, Chris; Beaumont, Emma; Dodd, Matthew; Elbourne, Diana Ruth; Bevilacqua, Leonardo; Mathiot, Anne; McGowan, Jennifer; Sturgess, Joanna; Warren, Emily; Viner, Russell M; Allen, Elizabeth

Role theory of schools and adolescent health. (2019) Bonell, Chris; Blakemore, Sarah-Jayne; Fletcher, Adam; Patton, George

The effects of Positive Youth Development interventions on substance use, violence and inequalities: systematic review of theories of change, processes and outcomes. (2016) Bonell, Chris; Dickson, Kelly; Hinds, Kate; Melendez-Torres, GJ; Stansfield, Claire; Fletcher, Adam; Thomas, James; Lester, Katrina; Oliver, Elizabeth; Murphy, Simon; Campbell, Rona

Initiating change locally in bullying and aggression through the school environment (INCLUSIVE): a pilot randomised controlled trial. (2015) Bonell, Chris; Fletcher, Adam; Fitzgerald-Yau, Natasha; Hale, Daniel; Allen, Elizabeth; Elbourne, Diana; Jones, Rebecca; Bond, Lyndal; Wiggins, Meg; Miners, Alec; Legood, Rosa; Scott, Stephen; Christie, Deborah; Viner, Russell

Realist randomised controlled trials: a new approach to evaluating complex public health interventions. (2012) Bonell, Chris; Fletcher, Adam; Morton, Matthew; Lorenc, Theo; Moore, Laurence

Methods don't make assumptions, researchers do: a response to Marchal et al. (2013) Bonell, Chris; Fletcher, Adam; Morton, Matthew; Lorenc, Theo; Moore, Laurence

How market-oriented education policies might influence young people's health: development of a logic model from qualitative case studies in English secondary schools. (2011) Bonell, Chris; Fletcher, Adam; Sorhaindo, Annik; Wells, Helene; McKee, Martin

In memoriam: the contributions to public health research of Farah Jamal, BA, MSc, PhD. (2016) Bonell, Chris; Harden, Angela; Fletcher, Adam; Viner, Russell

Protocol for a systematic review of the effects of schools and school-environment interventions on health: evidence mapping and syntheses. (2011) Bonell, Chris; Harden, Angela; Wells, Helene; Jamal, Farah; Fletcher, Adam; Petticrew, Mark; Thomas, James; Whitehead, Margaret; Campbell, Rona; Murphy, Simon; Moore, Laurence

Sexually transmitted infections as risk factors for HIV infection among MSMs: systematic review. (2008) Bonell, Chris; Hickson, Ford; Beaumont, Meredith; Weatherburn, Peter

Consumerism in health care: The case of a U.K. Voluntary sector HIV prevention organization. (2002) Bonell, Chris; Hilton, Matthew

What is positive youth development and how might it reduce substance use and violence? A systematic review and synthesis of theoretical literature. (2016) Bonell, Chris; Hinds, Kate; Dickson, Kelly; Thomas, James; Fletcher, Adam; Murphy, Simon; Melendez-Torres, GJ; Bonell, Carys; Campbell, Rona

Why schools should promote students' health and wellbeing. (2014) Bonell, Chris; Humphrey, Neil; Fletcher, Adam; Moore, Laurence; Anderson, Rob; Campbell, Rona

Approaches to consent in public health research in secondary schools. (2023) Bonell, Chris; Humphrey, Neil; Singh, Ilina; Viner, Russell M; Ford, Tamsin

'Dark logic': theorising the harmful consequences of public health interventions. (2014) Bonell, Chris; Jamal, Farah; Melendez-Torres, GJ; Cummins, Steven

Randomized controlled trial of 'teens and toddlers': a teenage pregnancy prevention intervention combining youth development and voluntary service in a nursery. (2013) Bonell, Chris; Maisey, Ruth; Speight, Svetlana; Purdon, Susan; Keogh, Peter; Wollny, Ivonne; Sorhaindo, Annik; Wellings, Kaye

Initiating change locally in bullying and aggression through the school environment (INCLUSIVE) trial: update to cluster randomised controlled trial protocol. (2017) Bonell, Chris; Mathiot, Anne; Allen, Elizabeth; Bevilacqua, Leonardo; Christie, Deborah; Elbourne, Diana; Fletcher, Adam; Grieve, Richard; Legood, Rosa; Scott, Stephen; Warren, Emily; Wiggins, Meg; Viner, Russell M

Troubled families, troubled policy making. (2016) Bonell, Chris; McKee, Martin; Fletcher, Adam

Nudge smudge: UK Government misrepresents "nudge". (2011) Bonell, Chris; McKee, Martin; Fletcher, Adam; Haines, Andrew; Wilkinson, Paul

One nudge forward, two steps back. (2011) Bonell, Chris; McKee, Martin; Fletcher, Adam; Wilkinson, Paul; Haines, Andy

Using Habermas’ theory of communicative action to transform sociological analyses of evidence-based policy. (2023) Bonell, Chris; Melendez-Torres, GJ

The potential role for sociologists in designing RCTs and of RCTs in refining sociological theory: A commentary on Deaton and Cartwright. (2018) Bonell, Chris; Melendez-Torres, GJ; Quilley, Stephen

An evidence-based theory of change for reducing SARS-CoV-2 transmission in reopened schools. (2020) Bonell, Chris; Melendez-Torres, GJ; Viner, Russell M; Rogers, M Brooke; Whitworth, Michael; Rutter, Harry; Rubin, G James; Patton, George

Harnessing behavioural science in public health campaigns to maintain 'social distancing' in response to the COVID-19 pandemic: key principles. (2020) Bonell, Chris; Michie, Susan; Reicher, Stephen; West, Robert; Bear, Laura; Yardley, Lucy; Curtis, Val; Amlôt, Richard; Rubin, G James

Are randomised controlled trials positivist? Reviewing the social science and philosophy literature to assess positivist tendencies of trials of social interventions in public health and health services. (2018) Bonell, Chris; Moore, Graham; Warren, Emily; Moore, Laurence

The effects of the school environment on student health: a systematic review of multi-level studies. (2013) Bonell, Chris; Parry, Will; Wells, Helene; Jamal, Farah; Fletcher, Adam; Harden, Angela; Thomas, James; Campbell, Rona; Petticrew, Mark; Murphy, Simon; Whitehead, Margaret; Moore, Laurence

Testing and refining middle-range theory in evaluations of public-health interventions: evidence from recent systematic reviews and trials. (2023) Bonell, Chris; Ponsford, Ruth; Meiksin, Rebecca; Melendez-Torres, GJ

Will it work here? A realist approach to local decisions about implementing interventions evaluated as effective elsewhere. (2020) Bonell, Chris; Prost, Audrey; Melendez-Torres, GJ; Davey, Calum; Hargreaves, James R

A pilot whole‐school intervention to improve school ethos and reduce substance use. (2010) Bonell, Chris; Sorhaindo, Annik; Strange, Vicki; Wiggins, Meg; Allen, Elizabeth; Fletcher, Adam; Oakley, Ann; Bond, Lyndal; Flay, Brian; Patton, George; Rhodes, Tim

HIV prevention outreach in commercial gay venues in large cities: evaluation findings from London. (2006) Bonell, Chris; Strange, V; Allen, E; Barnett-Page, E

Re-orientating systematic reviews to rigorously examine what works, for whom and how: Example of a realist systematic review of school-based prevention of dating and gender violence. (2023) Bonell, Chris; Taylor, Bruce; Berry, Vashti; Filho, Sidnei R Priolo; Rizzo, Andrew; Farmer, Caroline; Hagell, Ann; Young, Honor; Orr, Noreen; Shaw, Naomi; Chollet, Annah; Kiff, Fraizer; Rigby, Emma; Melendez-Torres, GJ

Realist trials and the testing of context-mechanism-outcome configurations: a response to Van Belle et al. (2016) Bonell, Chris; Warren, Emily; Fletcher, Adam; Viner, Russell

Methodological reflections on using qualitative research to explore the causal mechanisms of complex health interventions. (2022) Bonell, Chris; Warren, Emily; Melendez-Torres, GJ

Do family factors protect against sexual risk behaviour and teenage pregnancy among multiply disadvantaged young people? Findings from an English longitudinal study. (2014) Bonell, Chris; Wiggins, Meg; Fletcher, Adam; Allen, Elizabeth

Methamphetamine use among gay men across the UK. (2009) Bonell, Christopher P; Hickson, Ford CI; Weatherburn, Peter; Reid, David S

Pilot multimethod trial of a school-ethos intervention to reduce substance use: building hypotheses about upstream pathways to prevention. (2010) Bonell, Christopher P; Sorhaindo, Annik M; Allen, Elizabeth E; Strange, Vicki J; Wiggins, Meg; Fletcher, Adam; Oakley, Ann RA; Bond, Lyndal M; Flay, Brian R; Patton, George C; Rhodes, Tim

Broader impacts of an intervention to transform school environments on student behaviour and school functioning: post hoc analyses from the INCLUSIVE cluster randomised controlled trial. (2020) Bonell, Christopher; Dodd, Matthew; Allen, Elizabeth; Bevilacqua, Leonardo; McGowan, Jennifer; Opondo, Charles; Sturgess, Joanna; Elbourne, Diana; Warren, Emily; Viner, Russell M

Should structural interventions be evaluated using RCTs? The case of HIV prevention. (2006) Bonell, Christopher; Hargreaves, James; Strange, Vicki; Pronyk, Paul; Porter, John

From crisis to opportunity: parents and schools can come together to prioritise student health and well-being. (2021) Bonell, Christopher; Sundaram, Neisha; Viner, Russell M

Access to and quality of sexual and reproductive health services in Britain during the early stages of the COVID-19 pandemic: a qualitative interview study of patient experiences. (2022) Bosó Pérez, Raquel; Reid, David; Maxwell, Karen J; Gibbs, Jo; Dema, Emily; Bonell, Christopher; Mercer, Catherine H; Sonnenberg, Pam; Field, Nigel; Mitchell, Kirstin R

Access to and quality of sexual and reproductive health services in Britain during the early stages of the COVID-19 pandemic: a qualitative interview study of patient experiences. (2022) Bosó Pérez, Raquel; Reid, David; Maxwell, Karen J; Gibbs, Jo; Dema, Emily; Bonell, Christopher; Mercer, Catherine H; Sonnenberg, Pam; Field, Nigel; Mitchell, Kirstin R

Dilemmas of school-based relationships and sexuality education for and about consent. (2020) Bragg, Sara; Ponsford, Ruth; Meiksin, Rebecca; Emmerson, Lucy; Bonell, Chris

Enacting whole‐school relationships and sexuality education in England: Context matters. (2022) Bragg, Sara; Ponsford, Ruth; Meiksin, Rebecca; Lohan, Maria; Melendez‐Torres, GJ; Hadley, Alison; Young, Honor; Anne Barter, Christine; Taylor, Bruce; Bonell, Chris

Modelling the health and economic impacts of different testing and tracing strategies for COVID-19 in the UK. (2020) Colbourn, Tim; Waites, William; Manheim, David; Foster, Derek; Sturniolo, Simone; Sculpher, Mark; Kerr, Cliff C; Colbourn, Greg; Bowie, Cam; Godfrey, Keith M; Peto, Julian; Burgess, Rochelle A; McCoy, David; Alwan, Nisreen A; Yao, Guiqing; Ouyang, Kang; Roderick, Paul J; Pizzo, Elena; Hill, Tony; McGrath, Nuala; Orcutt, Miriam; Evans, Owain; Cheetham, Nathan J; Bonell, Chris; Gomes, Manuel; Panovska-Griffiths, Jasmina; Raine, Rosalind

Alternatives to randomisation in the evaluation of public-health interventions: statistical analysis and causal inference. (2009) Cousens, S; Hargreaves, J; Bonell, C; Armstrong, B; Thomas, J; Kirkwood, BR; Hayes, R

How to set up government-led national hygiene communication campaigns to combat COVID-19: a strategic blueprint. (2020) Curtis, Val; Dreibelbis, Robert; Sidibe, Myriam; Cardosi, Jason; Sara, Jennifer; Bonell, Chris; Mwambuli, Kaposo; Ghosh Moulik, Soma; White, Sian; Aunger, Robert

Methodology of Natsal-COVID Wave 1: a large, quasi-representative survey with qualitative follow-up measuring the impact of COVID-19 on sexual and reproductive health in Britain. (2022) Dema, Emily; Copas, Andrew J; Clifton, Soazig; Conolly, Anne; Blake, Margaret; Riddell, Julie; Boso Perez, Raquel; Tanton, Clare; Bonell, Chris; Sonnenberg, Pam; Mercer, Catherine H; Mitchell, Kirstin R; Field, Nigel

Initial impacts of the COVID-19 pandemic on sexual and reproductive health service use and unmet need in Britain: findings from a quasi-representative survey (Natsal-COVID). (2022) Dema, Emily; Gibbs, Jo; Clifton, Soazig; Copas, Andrew J; Tanton, Clare; Riddell, Julie; Pérez, Raquel Bosó; Reid, David; Bonell, Chris; Unemo, Magnus; Mercer, Catherine H; Mitchell, Kirstin R; Sonnenberg, Pam; Field, Nigel

How did the COVID-19 pandemic affect access to condoms, chlamydia and HIV testing, and cervical cancer screening at a population level in Britain? (Natsal-COVID). (2022) Dema, Emily; Sonnenberg, Pam; Gibbs, Jo; Conolly, Anne; Willis, Malachi; Riddell, Julie; Bosó Pérez, Raquel; Copas, Andrew J; Tanton, Clare; Bonell, Chris; Oeser, Clarissa; Clifton, Soazig; Unemo, Magnus; Mercer, Catherine H; Mitchell, Kirstin R; Field, Nigel

How Do Contextual Factors Influence Implementation and Receipt of Positive Youth Development Programs Addressing Substance Use and Violence? A Qualitative Meta-Synthesis of Process Evaluations. (2016) Dickson, K; Melendez-Torres, GJ; Fletcher, A; Hinds, K; Thomas, J; Stansfield, C; Murphy, S; Campbell, R; Bonell, C

The relative importance of perceived substance misuse use by different peers on smoking, alcohol and illicit drug use in adolescence. (2019) Er, Vanessa; Campbell, Rona; Hickman, Matthew; Bonell, Chris; Moore, Laurence; White, James

Health-related quality of life associated with bullying and aggression: a cross-sectional study in English secondary schools. (2017) Fantaguzzi, C; Allen, E; Miners, A; Christie, D; Opondo, C; Sadique, Z; Fletcher, A; Grieve, R; Bonell, C; Viner, RM; Legood, R

New counter-school cultures: female students’ drug use at a high-achieving secondary school. (2009) Fletcher, A; Bonell, C; Rhodes, T

Cyberbullying perpetration and its associations with socio-demographics, aggressive behaviour at school, and mental health outcomes. (2015) Fletcher, A; Fitzgerald-Yau, N; Jones, R; Allen, E; Viner, R; Bonell, C

Detaching youth work to reduce drug and alcohol‐related harm. (2008) Fletcher, Adam; Bonell, Chris

Social network influences on smoking, drinking and drug use in secondary school: centrifugal and centripetal forces. (2013) Fletcher, Adam; Bonell, Chris

School effects on young people's drug use: a systematic review of intervention and observational studies. (2008) Fletcher, Adam; Bonell, Chris; Hargreaves, James

New counter‐school cultures: female students' drug use at a high‐achieving secondary school. (2009) Fletcher, Adam; Bonell, Chris; Rhodes, Tim

You are what your friends eat: systematic review of social network analyses of young people's eating behaviours and bodyweight. (2011) Fletcher, Adam; Bonell, Chris; Sorhaindo, Annik

"We don't have no drugs education": The myth of universal drugs education in English secondary schools? (2010) Fletcher, Adam; Bonell, Chris; Sorhaindo, Annik

Cannabis use and 'safe' identities in an inner-city school risk environment. (2008) Fletcher, Adam; Bonell, Chris; Sorhaindo, Annik; Rhodes, Tim

How might schools influence young people's drug use? Development of theory from qualitative case-study research. (2009) Fletcher, Adam; Bonell, Chris; Sorhaindo, Annik; Strange, Vicki

Brief report: Cyberbullying perpetration and its associations with socio-demographics, aggressive behaviour at school, and mental health outcomes. (2014) Fletcher, Adam; Fitzgerald-Yau, Natasha; Jones, Rebecca; Allen, Elizabeth; Viner, Russell M; Bonell, Chris

Involving young people in changing their school environment to make it safer. (2015) Fletcher, Adam; Fitzgerald-Yau, Natasha; Wiggins, Meg; Viner, Russell M; Bonell, Chris

The British government's Troubled Families Programme. (2012) Fletcher, Adam; Gardner, Frances; McKee, Martin; Bonell, Chris

Interventions addressing the social determinants of teenage pregnancy. (2008) Fletcher, Adam; Harden, Angela; Brunton, Ginny; Oakley, Ann; Bonell, Chris

‘We’ve Got Some Underground Business Selling Junk Food’: Qualitative Evidence of the Unintended Effects of English School Food Policies. (2014) Fletcher, Adam; Jamal, Farah; Fitzgerald-Yau, Natasha; Bonell, Chris

Realist complex intervention science: Applying realist principles across all phases of the Medical Research Council framework for developing and evaluating complex interventions. (2016) Fletcher, Adam; Jamal, Farah; Moore, Graham; Evans, Rhiannon E; Murphy, Simon; Bonell, Chris

An exploratory review of HIV prevention mass media campaigns targeting men who have sex with men. (2014) French, Rebecca S; Bonell, Chris; Wellings, Kaye; Weatherburn, Peter

Sexually transmitted infection risk exposure among black and minority ethnic youth in northwest London: findings from a study translating a sexually transmitted infection risk-reduction intervention to the UK setting. (2009) Gerressu, M; Elam, G; Shain, R; Bonell, C; Brook, G; Champion, J Dimmitt; French, R; Elford, J; Hart, G; Stephenson, J; Imrie, J

Effect of prosocial public health messages for population behaviour change in relation to respiratory infections: a systematic review protocol. (2021) Grimani, Aikaterini; Bonell, Chris; Michie, Susan; Antonopoulou, Vivi; Kelly, Michael P; Vlaev, Ivo

The association between school attendance, HIV infection and sexual behaviour among young people in rural South Africa. (2008) Hargreaves, JR; Morison, LA; Kim, JC; Bonell, CP; Porter, JDH; Watts, C; Busza, J; Phetla, G; Pronyk, PM

Systematic review exploring time trends in the association between educational attainment and risk of HIV infection in sub-Saharan Africa. (2008) Hargreaves, James R; Bonell, Christopher P; Boler, Tania; Boccia, Delia; Birdthistle, Isolde; Fletcher, Adam; Pronyk, Paul M; Glynn, Judith R

Explaining continued high HIV prevalence in South Africa: socioeconomic factors, HIV incidence and sexual behaviour change among a rural cohort, 2001-2004. (2007) Hargreaves, James R; Bonell, Christopher P; Morison, Linda A; Kim, Julia C; Phetla, Godfrey; Porter, John Dh; Watts, Charlotte; Pronyk, Paul M

Epidemiology of SARS-CoV-2 infection among staff and students in a cohort of English primary and secondary schools during 2020-2021. (2022) Hargreaves, James R; Langan, Sinéad M; Oswald, William E; Halliday, Katherine E; Sturgess, Joanna; Phelan, Jody; Nguipdop-Djomo, Patrick; Ford, Benjamin; Allen, Elizabeth; Sundaram, Neisha; Ireland, Georgina; Poh, John; Ijaz, Samreen; Diamond, Ian; Rourke, Emma; Dawe, Fiona; Judd, Alison; Warren-Gash, Charlotte; Clark, Taane G; Glynn, Judith R; Edmunds, W John; Bonell, Chris; Mangtani, Punam; Ladhani, Shamez N; COVID-19 Schools Infection Survey Study Group

Process evaluation of the Intervention with Microfinance for AIDS and Gender Equity (IMAGE) in rural South Africa. (2010) Hargreaves, James; Hatcher, Abigail; Strange, Vicki; Phetla, Godfrey; Busza, Joanna; Kim, Julia; Watts, Charlotte; Morison, Linda; Porter, John; Pronyk, Paul; Bonell, Christopher

High time to unpack the 'how' and 'why' of adherence interventions. (2016) Hatcher, Abigail M; Bonell, Christopher P

Promoting critical consciousness and social mobilization in HIV/AIDS programmes: lessons and curricular tools from a South African intervention. (2011) Hatcher, Abigail; de Wet, Jacques; Bonell, Christopher Philip; Strange, Vicki; Phetla, Godfrey; Proynk, Paul M; Kim, Julia C; Morison, Linda; Porter, John DH; Busza, Joanna; Watts, Charlotte; Hargreaves, James R

Association of volatile substance, nitrous oxide and alkyl nitrate use with mental health in UK adolescents. (2024) Hawkins, Jemma; Hines, Lindsey A; Bonell, Chris; Hickman, Matthew; Adara, Linda; Townson, Julia; Cannings-John, Rebecca; Moore, Laurence; White, James

Development of a framework for the co-production and prototyping of public health interventions. (2017) Hawkins, Jemma; Madden, Kim; Fletcher, Adam; Midgley, Luke; Grant, Aimee; Cox, Gemma; Moore, Laurence; Campbell, Rona; Murphy, Simon; Bonell, Chris; White, James

Remote data collection for public health research in a COVID-19 era: ethical implications, challenges and opportunities. (2021) Hensen, B; Mackworth-Young, CRS; Simwinga, M; Abdelmagid, N; Banda, J; Mavodza, C; Doyle, AM; Bonell, C; Weiss, HA

Remote data collection for public health research in a COVID-19 era: ethical implications, challenges and opportunities. (2021) Hensen, B; Mackworth-Young, CRS; Simwinga, M; Abdelmagid, N; Banda, J; Mavodza, C; Doyle, AM; Bonell, C; Weiss, HA

The sustainability of public health interventions in schools: a systematic review. (2020) Herlitz, Lauren; MacIntyre, Helen; Osborn, Tom; Bonell, Chris

HIV Testing and HIV Serostatus-Specific Sexual Risk Behaviour Among Men Who Have Sex with Men Living in England and Recruited Through the Internet in 2001 and 2008. (2013) Hickson, Ford; Bonell, Chris; Hargreaves, James; Reid, David; Weatherburn, Peter

Illicit drug use among men who have sex with men in England and Wales. (2010) Hickson, Ford; Bonell, Chris; Weatherburn, Peter; Reid, David

Internet-based cohort study of HIV testing over 1 year among men who have sex with men living in England and exposed to a social marketing intervention promoting testing. (2014) Hickson, Ford; Tomlin, Keith; Hargreaves, James; Bonell, Chris; Reid, David; Weatherburn, Peter

Association between cannabis potency and mental health in adolescence. (2024) Hines, Lindsey A; Cannings-John, Rebecca; Hawkins, Jemma; Bonell, Chris; Hickman, Matthew; Zammit, Stanley; Adara, Linda; Townson, Julia; White, James

Association of cannabis, cannabidiol and synthetic cannabinoid use with mental health in UK adolescents. (2023) Hotham, James; Cannings-John, Rebecca; Moore, Laurence; Hawkins, Jemma; Bonell, Chris; Hickman, Matthew; Zammit, Stanley; Hines, Lindsey A; Adara, Linda; Townson, Julia; White, James

The social ecology of girls' bullying practices: exploratory research in two London schools. (2015) Jamal, Farah; Bonell, Chris; Harden, Angela; Lorenc, Theo

Let's talk about sex: gender norms and sexual health in English schools. (2015) Jamal, Farah; Bonell, Chris; Wooder, Kai; Blake, Simon

The school environment and student health: a systematic review and meta-ethnography of qualitative research. (2013) Jamal, Farah; Fletcher, Adam; Harden, Angela; Wells, Helene; Thomas, James; Bonell, Chris

The three stages of building and testing mid-level theories in a realist RCT: a theoretical and methodological case-example. (2015) Jamal, Farah; Fletcher, Adam; Shackleton, Nichola; Elbourne, Diana; Viner, Russell; Bonell, Chris

Consulting with young people to inform systematic reviews: an example from a review on the effects of schools on health. (2014) Jamal, Farah; Langford, Rebecca; Daniels, Philip; Thomas, James; Harden, Angela; Bonell, Chris

Menstrual health intervention and school attendance in Uganda (MENISCUS-2): a pilot intervention study. (2020) Kansiime, Catherine; Hytti, Laura; Nalugya, Ruth; Nakuya, Kevin; Namirembe, Prossy; Nakalema, Shamirah; Neema, Stella; Tanton, Clare; Alezuyo, Connie; Namuli Musoke, Saidat; Torondel, Belen; Francis, Suzanna C; Ross, David A; Bonell, Christopher; Seeley, Janet; Weiss, Helen Anne

Menstrual health interventions, schooling, and mental health problems among Ugandan students (MENISCUS): study protocol for a school-based cluster-randomised trial. (2022) Kansiime, Catherine; Hytti, Laura; Nelson, Kate Andrews; Torondel, Belen; Francis, Suzanna C; Tanton, Clare; Greco, Giulia; Belfield, Sophie; Nakalema, Shamirah; Matovu, Fred; Ssemata, Andrew Sentoogo; Alezuyo, Connie; Neema, Stella; Jerrim, John; Bonell, Chris; Seeley, Janet; Weiss, Helen A; MENISCUS Group

How evidence based is English public health policy? (2011) Katikireddi, Srinivasa Vittal; Higgins, Martin; Bond, Lyndal; Bonell, Chris; Macintyre, Sally

Understanding the development of minimum unit pricing of alcohol in Scotland: a qualitative study of the policy process. (2014) Katikireddi, Srinivasa Vittal; Hilton, Shona; Bonell, Chris; Bond, Lyndal

Systematic Review of the Economics of School-Based Interventions for Dating Violence and Gender-Based Violence. (2022) Kiff, Fraizer; Shaw, Naomi; Orr, Noreen; Rizzo, Andrew J; Chollet, Annah; Young, Honor; Rigby, Emma; Hagell, Ann; Berry, Vashti; Bonell, Chris; Melendez-Torres, GJ; Farmer, Caroline

Distribution and determinants of risk of teenage motherhood in three British longitudinal studies: implications for targeted prevention interventions. (2012) Kneale, Dylan; Fletcher, Adam; Wiggins, Richard; Bonell, Chris

Long-Term Outcomes of the Good School Toolkit Primary School Violence Prevention Intervention Among Adolescents: Protocol for a Nonrandomized Quasi-Experimental Study. (2020) Knight, Louise; Atuhaire, Lydia; Allen, Elizabeth; Namy, Sophie; Anton-Erxleben, Katharina; Nakuti, Janet; Mirembe, Angel Faridah; Nakiboneka, Mastula; Seeley, Janet; Weiss, Helen A; Parkes, Jenny; Bonell, Chris; Naker, Dipak; Devries, Karen

Violence outcomes in later adolescence with the Good School Toolkit-Primary: a nonrandomized controlled trial in Uganda. (2024) Knight, Louise; Atuhaire, Lydia; Bhatia, Amiya; Allen, Elizabeth; Namy, Sophie; Anton-Erxleben, Katharina; Nakuti, Janet; Mirembe, Angel; Nakiboneka, Mastula; Seeley, Janet; Weiss, Helen A; Parkes, Jenny; Bonell, Chris; Naker, Dipak; Devries, Karen

The Health Promoting Schools Framework: Known Unknowns and an Agenda for Future Research. (2016) Langford, R; Bonell, C; Komro, K; Murphy, S; Magnus, D; Waters, E; Gibbs, L; Campbell, R

The WHO Health Promoting School framework for improving the health and well-being of students and their academic achievement. (2014) Langford, Rebecca; Bonell, Christopher P; Jones, Hayley E; Pouliou, Theodora; Murphy, Simon M; Waters, Elizabeth; Komro, Kelli A; Gibbs, Lisa F; Magnus, Daniel; Campbell, Rona

Obesity prevention and the Health promoting Schools framework: essential components and barriers to success. (2015) Langford, Rebecca; Bonell, Christopher; Jones, Hayley; Campbell, Rona

The World Health Organization's Health Promoting Schools framework: a Cochrane systematic review and meta-analysis. (2015) Langford, Rebecca; Bonell, Christopher; Jones, Hayley; Pouliou, Theodora; Murphy, Simon; Waters, Elizabeth; Komro, Kelli; Gibbs, Lisa; Magnus, Daniel; Campbell, Rona

Public understanding of COVID-19 antibody testing and test results: A qualitative study conducted in the U.K. early in the pandemic. (2021) Lecouturier, Jan; Kelly, Michael P; Graham, Fiona; Meyer, Carly; Tang, Mei Yee; Goffe, Louis; Bonell, Chris; Michie, Susan; Sniehotta, Falko F

Cost-Utility Analysis of a Complex Intervention to Reduce School-Based Bullying and Aggression: An Analysis of the Inclusive RCT. (2020) Legood, Rosa; Opondo, Charles; Warren, Emily; Jamal, Farah; Bonell, Chris; Viner, Russell; Sadique, Zia description

Is positive school climate associated with better adolescent mental health? Longitudinal study of young people in England. (2021) Leurent, Baptiste; Dodd, Matthew; Allen, Elizabeth; Viner, Russell; Scott, Stephen; Bonell, Chris

JACK trial protocol: a phase III multicentre cluster randomised controlled trial of a school-based relationship and sexuality education intervention focusing on young male perspectives. (2018) Lohan, Maria; Aventin, Áine; Clarke, Mike; Curran, Rhonda M; Maguire, Lisa; Hunter, Rachael; McDowell, Clíona; McDaid, Lisa; Young, Honor; White, James; Fletcher, Adam; French, Rebecca; Bonell, Christopher; Bailey, Julia V; O'Hare, Liam

Can Teenage Men Be Targeted to Prevent Teenage Pregnancy? A Feasibility Cluster Randomised Controlled Intervention Trial in Schools. (2018) Lohan, Maria; Aventin, Áine; Clarke, Mike; Curran, Rhonda M; McDowell, Clíona; Agus, Ashley; McDaid, Lisa; Bonell, Chris; Young, Honor

Effects of gender-transformative relationships and sexuality education to reduce adolescent pregnancy (the JACK trial): a cluster-randomised trial. (2022) Lohan, Maria; Brennan-Wilson, Aoibheann; Hunter, Rachael; Gabrio, Andrea; McDaid, Lisa; Young, Honor; French, Rebecca; Aventin, Áine; Clarke, Mike; McDowell, Clíona; Logan, Danielle; Toase, Sorcha; O'Hare, Liam; Bonell, Chris; Gillespie, Katie; Gough, Aisling; Lagdon, Susan; Warren, Emily; Buckley, Kelly; Lewis, Ruth; Adara, Linda; McShane, Theresa; Bailey, Julia; White, James

Pornography Use Among Adults in Britain: A Qualitative Study of Patterns of Use, Motivations, and Stigma Management Strategies. (2025) Macdowall, Wendy G; Lewis, Ruth; Reid, David; Mitchell, Kirstin R; Bosó Pérez, Raquel; Maxwell, Karen J; Attwood, Feona; Gibbs, Jo; Hogan, Bernie; Mercer, Catherine H; Sonnenberg, Pam; Bonell, Chris

Sexting among British adults: a qualitative analysis of sexting as emotion work governed by 'feeling rules'. (2022) Macdowall, Wendy G; Reid, David S; Lewis, Ruth; Bosó Pérez, Raquel; Mitchell, Kirstin R; Maxwell, Karen J; Smith, Clarissa; Attwood, Feona; Gibbs, Jo; Hogan, Bernie; Mercer, Catherine H; Sonnenberg, Pam; Bonell, Chris; Natsal-4 Team

How can schools help to reduce the harm associated with teenage substance use? Development of a theoretically driven whole-school approach. (2016) Markham, WA; Bonell, C; Fletcher, A; Aveyard, P

English headteacher perspectives on school responses to protect student and staff mental wellbeing in the later stages of the COVID-19 pandemic. (2023) McKay, Gillian; Venner, Georgia; Nguipdop-Djomo, Patrick; Mangtani, Punam; Sundaram, Neisha; Lacey, Andrea; Dawe, Fiona; Jones, Peter; Lelii, Ffion; Ladhani, Shamez; Bonell, Chris

Protocol for pilot cluster RCT of project respect: a school-based intervention to prevent dating and relationship violence and address health inequalities among young people. (2019) Meiksin, Rebecca; Allen, Elizabeth; Crichton, Joanna; Morgan, Gemma S; Barter, Christine; Elbourne, Diana; Hunt, Kate; Melendez-Torres, GJ; Morris, Steve; Reyes, H Luz Mc Naughton; Sturgess, Joanna; Taylor, Bruce; Young, Honor; Campbell, Rona; Bonell, Chris

Social norms concerning dating and relationship violence and gender among adolescents: a systematic review of survey measures used in dating and relationship violence research. (2022) Meiksin, Rebecca; Bonell, Chris; Bhatia, Amiya; Melendez-Torres, GJ; Kyegombe, Nambusi; Kohli, Anjalee

Social Norms About Dating and Relationship Violence and Gender Among Adolescents: Systematic Review of Measures Used in Dating and Relationship Violence Research. (2023) Meiksin, Rebecca; Bonell, Chris; Bhatia, Amiya; Melendez-Torres, GJ; Kyegombe, Nambusi; Kohli, Anjalee

Implementing a whole-school relationships and sex education intervention to prevent dating and relationship violence: evidence from a pilot trial in English secondary schools. (2020) Meiksin, Rebecca; Campbell, Rona; Crichton, Joanna; Morgan, Gemma S; Williams, Pippa; Willmott, Micky; Tilouche, Nerissa; Ponsford, Ruth; Barter, Christine A; Sweeting, Helen; Taylor, Bruce; Young, Honor; Melendez-Torres, GJ; McNaughton Reyes, H Luz; Bonell, Chris

A school intervention for 13- to 15-year-olds to prevent dating and relationship violence: the Project Respect pilot cluster RCT. (2020) Meiksin, Rebecca; Crichton, Jo; Dodd, Matthew; Morgan, Gemma S; Williams, Pippa; Willmott, Micky; Allen, Elizabeth; Tilouche, Nerissa; Sturgess, Joanna; Morris, Steve; Barter, Christine; Young, Honor; Melendez-Torres, GJ; Taylor, Bruce; Reyes, H Luz McNaughton; Elbourne, Diana; Sweeting, Helen; Hunt, Kate; Ponsford, Ruth; Campbell, Rona; Bonell, Chris

Theories of change for e-health interventions targeting HIV/STIs and sexual risk, substance use and mental ill health amongst men who have sex with men: systematic review and synthesis. (2021) Meiksin, Rebecca; Melendez-Torres, GJ; Falconer, Jane; Witzel, T Charles; Weatherburn, Peter; Bonell, Chris description

eHealth Interventions to Address Sexual Health, Substance Use, and Mental Health Among Men Who Have Sex With Men: Systematic Review and Synthesis of Process Evaluations. (2021) Meiksin, Rebecca; Melendez-Torres, GJ; Falconer, Jane; Witzel, T Charles; Weatherburn, Peter; Bonell, Chris

E-health interventions targeting STIs, sexual risk, substance use and mental health among men who have sex with men: four systematic reviews. (2022) Meiksin, Rebecca; Melendez-Torres, GJ; Miners, Alec; Falconer, Jane; Witzel, T Charles; Weatherburn, Peter; Bonell, Chris

Social norms relating to gender and dating and relationship violence in English secondary schools: Exploring student, staff and parent/carer accounts. (2025) Meiksin, Rebecca; Ponsford, Ruth; Kyegombe, Nambusi; Bonell, Chris

Assessing Survey Items on Social Norms Relating to Dating and Relationship Violence and to Gender: Cognitive Interviews with Young People in England. (2023) Meiksin, Rebecca; Ponsford, Ruth; Kyegombe, Nambusi; Kohli, Anjalee; Bonell, Chris

Event-level case-crossover analysis of drug use and sexual risk in men who have sex with men in England. (2014) Melendez-Torres, G; Hickson, F; Reid, D; Weatherburn, P; Bonell, C

Effects of a Whole-School Health Intervention on Clustered Adolescent Health Risks: Latent Transition Analysis of Data from the INCLUSIVE Trial. (2021) Melendez-Torres, GJ; Allen, Elizabeth; Viner, Russell; Bonell, Chris

Littoral Spaces of Performance: Findings from a Systematic Review and Re-analysis of Qualitative Studies on Men Who Have Sex with Men, Substance Use and Social Venues. (2016) Melendez-Torres, GJ; Bonell, C description

Predictors of crystal methamphetamine use in a community-based sample of UK men who have sex with men. (2016) Melendez-Torres, GJ; Bonell, C; Hickson, F; Bourne, A; Reid, D; Weatherburn, P description

Systematic review of cognitive behavioural interventions for HIV risk reduction in substance-using men who have sex with men. (2013) Melendez-Torres, GJ; Bonell, Chris

Are school-based interventions to prevent dating and relationship violence and gender-based violence equally effective for all students? Systematic review and equity analysis of moderation analyses in randomised trials. (2023) Melendez-Torres, GJ; Bonell, Chris; Shaw, Naomi; Orr, Noreen; Chollet, Annah; Rizzo, Andrew; Rigby, Emma; Hagell, Ann; Young, Honor; Berry, Vashti; Humphreys, David K; Farmer, Caroline

Emergent approaches to the meta-analysis of multiple heterogeneous complex interventions. (2015) Melendez-Torres, GJ; Bonell, Chris; Thomas, James

Typology of drug use in United Kingdom men who have sex with men and associations with socio-sexual characteristics. (2018) Melendez-Torres, GJ; Bourne, Adam; Reid, David; Hickson, Ford; Bonell, Chris; Weatherburn, Peter

Systematic review and meta-analysis of effects of community-delivered positive youth development interventions on violence outcomes. (2016) Melendez-Torres, GJ; Dickson, K; Fletcher, A; Thomas, J; Hinds, K; Campbell, R; Murphy, S; Bonell, C description

Positive youth development programmes to reduce substance use in young people: Systematic review. (2016) Melendez-Torres, GJ; Dickson, Kelly; Fletcher, Adam; Thomas, James; Hinds, Kate; Campbell, Rona; Murphy, Simon; Bonell, Chris

A systematic review and critical appraisal of qualitative metasynthetic practice in public health to develop a taxonomy of operations of reciprocal translation. (2015) Melendez-Torres, GJ; Grant, Sean; Bonell, Chris

Drug use moderates associations between location of sex and unprotected anal intercourse in men who have sex with men: nested cross-sectional study of dyadic encounters with new partners. (2015) Melendez-Torres, GJ; Hickson, Ford; Reid, David; Weatherburn, Peter; Bonell, Chris description

Nested Event-Level Case-Control Study of Drug Use and Sexual Outcomes in Multipartner Encounters Reported by Men Who Have Sex with Men. (2015) Melendez-Torres, GJ; Hickson, Ford; Reid, David; Weatherburn, Peter; Bonell, Chris description

Findings from within-subjects comparisons of drug use and sexual risk behaviour in men who have sex with men in England. (2016) Melendez-Torres, GJ; Hickson, Ford; Reid, David; Weatherburn, Peter; Bonell, Chris description

An initial typology of contexts of dyadic sexual encounters between men and associations with sexual risk and pleasure: findings from an observational study. (2016) Melendez-Torres, GJ; Hickson, Ford; Reid, David; Weatherburn, Peter; Bonell, Chris description

eHealth Interventions to Address HIV and Other Sexually Transmitted Infections, Sexual Risk Behavior, Substance Use, and Mental Ill-health in Men Who Have Sex With Men: Systematic Review and Meta-analysis. (2022) Melendez-Torres, GJ; Meiksin, Rebecca; Witzel, T Charles; Weatherburn, Peter; Falconer, Jane; Bonell, Chris

Is Location of Sex Associated with Sexual Risk Behaviour in Men Who Have Sex with Men? Systematic Review of Within-Subjects Studies. (2015) Melendez-Torres, GJ; Nye, Elizabeth; Bonell, Chris

Internet sex-seeking is inconsistently linked with sexual risk in men who have sex with men: systematic review of within-subjects comparisons. (2015) Melendez-Torres, GJ; Nye, Elizabeth; Bonell, Chris

Whole-school interventions promoting student commitment to school to prevent substance use and violence: a systematic review. (2023) Melendez-Torres, GJ; Ponsford, R; Falconer, J; Bonell, C

Student-reported relationships and sex education coverage and knowledge among a diverse population of early adolescents: a cross-sectional survey of students in England. (2023) Melendez-Torres, GJ; Ponsford, Ruth; Meiksin, Rebecca; Tilouche, Nerissa; Sundaram, Neisha; Sturgess, Joanna; Allen, Elizabeth; Lohan, Maria; Young, Honor; Hadley, Alison; Campbell, Rona; Bonell, Chris

Does integrated academic and health education prevent substance use? Systematic review and meta-analyses. (2018) Melendez-Torres, GJ; Tancred, T; Fletcher, A; Thomas, J; Campbell, R; Bonell, C

Integration of academic and health education for the prevention of physical aggression and violence in young people: systematic review, narrative synthesis and intervention components analysis. (2018) Melendez-Torres, GJ; Tancred, Tara; Fletcher, Adam; Campbell, Rona; Thomas, James; Bonell, Christopher

Locating and testing the healthy context paradox: examples from the INCLUSIVE trial. (2022) Melendez-Torres, GJ; Warren, Emily; Ukoumunne, Obioha C; Viner, Russell; Bonell, Chris

Moderated mediation analyses to assess intervention mechanisms for impacts on victimisation, psycho-social problems and mental wellbeing: Evidence from the INCLUSIVE realist randomized trial. (2021) Melendez-Torres, GJ; Warren, Emily; Viner, Russell; Allen, Elizabeth; Bonell, Chris

Collecting and exploiting data to understand a nation's sexual health needs: Implications for the British National Surveys of Sexual Attitudes and Lifestyles (Natsal). (2018) Mercer, Catherine H; Clifton, Soazig; Prior, Gillian; Aldridge, Robert W; Bonell, Chris; Copas, Andrew J; Field, Nigel; Gibbs, Jo; Macdowall, Wendy; Mitchell, Kirstin R; Tanton, Clare; Thomson, Nick; Unemo, Magnus; Sonnenberg, Pam

Impacts of COVID-19 on sexual behaviour in Britain: findings from a large, quasi-representative survey (Natsal-COVID). (2021) Mercer, Catherine H; Clifton, Soazig; Riddell, Julie; Tanton, Clare; Freeman, Lily; Copas, Andrew J; Dema, Emily; Bosó Pérez, Raquel; Gibbs, Jo; Macdowall, Wendy; Menezes, Dee; Ridge, Mary-Clare; Bonell, Chris; Sonnenberg, Pam; Field, Nigel; Mitchell, Kirstin R

Developing and piloting a peer mentoring intervention to reduce teenage pregnancy in looked-after children and care leavers: an exploratory randomised controlled trial. (2015) Mezey, Gillian; Meyer, Deborah; Robinson, Fiona; Bonell, Chris; Campbell, Rona; Gillard, Steve; Jordan, Peter; Mantovani, Nadia; Wellings, Kaye; White, Sarah

Challenges to undertaking randomised trials with looked after children in social care settings. (2015) Mezey, Gillian; Robinson, Fiona; Campbell, Rona; Gillard, Steve; Macdonald, Geraldine; Meyer, Deborah; Bonell, Chris; White, Sarah

Tackling the problem of teenage pregnancy in looked‐after children: a peer mentoring approach. (2015) Mezey, Gillian; Robinson, Fiona; Gillard, Steve; Mantovani, Nadia; Meyer, Deborah; White, Sarah; Bonell, Chris

Reducing SARS-CoV-2 transmission in the UK: A behavioural science approach to identifying options for increasing adherence to social distancing and shielding vulnerable people. (2020) Michie, Susan; West, Robert; Rogers, M Brooke; Bonell, Chris; Rubin, G James; Amlôt, Richard

Initial Impacts of COVID-19 on Sex Life and Relationship Quality in Steady Relationships in Britain: Findings from a Large, Quasi-representative Survey (Natsal-COVID). (2022) Mitchell, Kirstin R; Shimonovich, Michal; Bosó Pérez, Raquel; Dema, Emily; Clifton, Soazig; Riddell, Julie; Copas, Andrew J; Tanton, Clare; Macdowall, Wendy; Bonell, Chris; Sonnenberg, Pam; Mercer, Catherine H; Field, Nigel

Global burden of diseases, injuries, and risk factors for young people's health during 1990-2013: a systematic analysis for the Global Burden of Disease Study 2013. (2016) Mokdad, Ali H; Forouzanfar, Mohammad Hossein; Daoud, Farah; Mokdad, Arwa A; El Bcheraoui, Charbel; Moradi-Lakeh, Maziar; Kyu, Hmwe Hmwe; Barber, Ryan M; Wagner, Joseph; Cercy, Kelly; Kravitz, Hannah; Coggeshall, Megan; Chew, Adrienne; O'Rourke, Kevin F; Steiner, Caitlyn; Tuffaha, Marwa; Charara, Raghid; Al-Ghamdi, Essam Abdullah; Adi, Yaser; Afifi, Rima A; Alahmadi, Hanan; AlBuhairan, Fadia; Allen, Nicholas; AlMazroa, Mohammad; Al-Nehmi, Abdulwahab A; AlRayess, Zulfa; Arora, Monika; Azzopardi, Peter; Barroso, Carmen; Basulaiman, Mohammed; Bhutta, Zulfiqar A; Bonell, Chris; Breinbauer, Cecilia; Degenhardt, Louisa; Denno, Donna; Fang, Jing; Fatusi, Adesegun; Feigl, Andrea B; Kakuma, Ritsuko; Karam, Nadim; Kennedy, Elissa; Khoja, Tawfik AM; Maalouf, Fadi; Obermeyer, Carla Makhlouf; Mattoo, Amitabh; McGovern, Terry; Memish, Ziad A; Mensah, George A; Patel, Vikram; Petroni, Suzanne; Reavley, Nicola; Zertuche, Diego Rios; Saeedi, Mohammad; Santelli, John; Sawyer, Susan M; Ssewamala, Fred; Taiwo, Kikelomo; Tantawy, Muhammad; Viner, Russell M; Waldfogel, Jane; Zuñiga, Maria Paola; Naghavi, Mohsen; Wang, Haidong; Vos, Theo; Lopez, Alan D; Al Rabeeah, Abdullah A; Patton, George C; Murray, Christopher JL

Process evaluation of complex interventions: Medical Research Council guidance. (2015) Moore, Graham F; Audrey, Suzanne; Barker, Mary; Bond, Lyndal; Bonell, Chris; Hardeman, Wendy; Moore, Laurence; O'Cathain, Alicia; Tinati, Tannaze; Wight, Daniel; Baird, Janis

Process evaluation in complex public health intervention studies: the need for guidance. (2013) Moore, Graham; Audrey, Suzanne; Barker, Mary; Bond, Lyndal; Bonell, Chris; Cooper, Cyrus; Hardeman, Wendy; Moore, Laurence; O'Cathain, Alicia; Tinati, Tannaze; Wight, Danny; Baird, Janis

Organisational interventions for improving wellbeing and reducing work-related stress in teachers. (2015) Naghieh, Ali; Montgomery, Paul; Bonell, Christopher P; Thompson, Marc; Aber, J Lawrence

Assessing the effectiveness of a comprehensive menstrual health intervention program in Ugandan schools (MENISCUS): process evaluation of a pilot intervention study. Nalugya, Ruth; Tanton, Clare; Hytti, Laura; Kansiime, Catherine; Nakuya, Kevin; Namirembe, Prossy; Nakalema, Shamira; Neema, Stella; Alezuyo, Connie; Namuli Musoke, Saidat; Torondel, Belen; Francis, Suzanna C; Ross, David A; Bonell, Chris; Seeley, Janet; Weiss, Helen A

Effects and costs of a multi-component menstrual health intervention (MENISCUS) on mental health problems, educational performance, and menstrual health in Ugandan secondary schools: an open-label, school-based, cluster-randomised controlled trial. (2025) Nelson, Kate A; Lagony, Stephen; Kansiime, Catherine; Torondel, Belen; Tanton, Clare; Ndekezi, Denis; Mugenyi, Levicatus; Batuusa, Ratifah; Baleke, Christopher; Thomas, Katherine A; Ssesanga, Titus; Bakanoma, Robert; Namirembe, Prossy; Tumuhimbise, Aggrey; Nanyonga, Beatrice; Nambi, Rodah; Obicho, Edward; Ssenyondwa, Denis; Bucci, Daria; Belfield, Sophie; Akech Ocen, Agnes; Nakalema, Shamirah; Alezuyo, Connie; Matovu, Fred; Neema, Stella; Kyegombe, Nambusi; Greco, Giulia; Jerrim, John; Bonell, Chris; Seeley, Janet A; Weiss, Helen A

A Systematic Review of Interventions That Adopt the “Good Lives” Approach to Offender Rehabilitation. (2014) Netto, Nicholas Raphael; Carter, James Michael; Bonell, Christopher

Risk factors for SARS-CoV-2 infection in primary and secondary school students and staff in England in the 2020/2021 school year: a longitudinal study. (2023) Nguipdop-Djomo, Patrick; Oswald, William E; Halliday, Katherine E; Cook, Sarah; Sturgess, Joanna; Sundaram, Neisha; Warren-Gash, Charlotte; Fine, Paul Em; Glynn, Judith; Allen, Elizabeth; Clark, Taane G; Ford, Benjamin; Judd, Alison; Ireland, Georgina; Poh, John; Bonell, Chris; Dawe, Fiona; Rourke, Emma; Diamond, Ian; Ladhani, Shamez N; Langan, Sinéad M; Hargreaves, James; Mangtani, Punam; COVID-19 Schools Infection Survey Study Group

Origins, methods and advances in qualitative meta‐synthesis. (2016) Nye, Elizabeth; Melendez‐Torres, GJ; Bonell, Chris

Process evaluation in randomised controlled trials of complex interventions. (2006) Oakley, Ann; Strange, Vicki; Bonell, Chris; Allen, Elizabeth; Stephenson, Judith; RIPPLE Study Team

Understanding the unintended consequences of public health policies: the views of policymakers and evaluators. (2019) Oliver, Kathryn; Lorenc, Theo; Tinkler, Jane; Bonell, Chris

School-based interventions for preventing dating and relationship violence and gender-based violence: A systematic review and synthesis of theories of change. (2022) Orr, Noreen; Chollet, Annah; Rizzo, Andrew J; Shaw, Naomi; Farmer, Caroline; Young, Honor; Rigby, Emma; Berry, Vashti; Bonell, Chris; Melendez-Torres, GJ

Modelling the potential impact of mask use in schools and society on COVID-19 control in the UK. (2021) Panovska-Griffiths, J; Kerr, CC; Waites, W; Stuart, RM; Mistry, D; Foster, D; Klein, DJ; Viner, RM; Bonell, C

Modelling the impact of reopening schools in the UK in early 2021 in the presence of the alpha variant and with roll-out of vaccination against SARS-CoV-2. (2022) Panovska-Griffiths, J; Stuart, RM; Kerr, CC; Rosenfield, K; Mistry, D; Waites, W; Klein, DJ; Bonell, C; Viner, RM

Statistical and agent-based modelling of the transmissibility of different SARS-CoV-2 variants in England and impact of different interventions. (2022) Panovska-Griffiths, J; Swallow, B; Hinch, R; Cohen, J; Rosenfeld, K; Stuart, RM; Ferretti, L; Di Lauro, F; Wymant, C; Izzo, A; Waites, W; Viner, R; Bonell, C; Fraser, C; Klein, D; Kerr, CC; COVID-19 Genomics UK (COG-UK) Consortium

Determining the optimal strategy for reopening schools, the impact of test and trace interventions, and the risk of occurrence of a second COVID-19 epidemic wave in the UK: a modelling study. (2020) Panovska-Griffiths, Jasmina; Kerr, Cliff C; Stuart, Robyn M; Mistry, Dina; Klein, Daniel J; Viner, Russell M; Bonell, Chris

Comparison of teenagers' early same-sex and heterosexual behavior: UK data from the SHARE and RIPPLE studies. (2010) Parkes, Alison; Strange, Vicki; Wight, Daniel; Bonell, Chris; Copas, Andrew; Henderson, Marion; Buston, Katie; Stephenson, Judith; Johnson, Anne; Allen, Elizabeth; Hart, Graham

Our future: a Lancet commission on adolescent health and wellbeing. (2016) Patton, George C; Sawyer, Susan M; Santelli, John S; Ross, David A; Afifi, Rima; Allen, Nicholas B; Arora, Monika; Azzopardi, Peter; Baldwin, Wendy; Bonell, Christopher; Kakuma, Ritsuko; Kennedy, Elissa; Mahon, Jaqueline; McGovern, Terry; Mokdad, Ali H; Patel, Vikram; Petroni, Suzanne; Reavley, Nicola; Taiwo, Kikelomo; Waldfogel, Jane; Wickremarathne, Dakshitha; Barroso, Carmen; Bhutta, Zulfiqar; Fatusi, Adesegun O; Mattoo, Amitabh; Diers, Judith; Fang, Jing; Ferguson, Jane; Ssewamala, Frederick; Viner, Russell M

School-related predictors of smoking, drinking and drug use: evidence from the Belfast Youth Development Study. (2011) Perra, Oliver; Fletcher, Adam; Bonell, Chris; Higgins, Kathryn; McCrystal, Patrick

Effects of the school environment on early sexual risk behavior: A longitudinal analysis of students in English secondary schools. (2020) Peterson, Amy J; Allen, Elizabeth; Viner, Russell; Bonell, Chris

School experiences and young women's pregnancy and parenthood decisions: A systematic review and synthesis of qualitative research. (2018) Peterson, Amy J; Bonell, Chris

Effects of Interventions Addressing School Environments or Educational Assets on Adolescent Sexual Health: Systematic Review and Meta-analysis. (2019) Peterson, Amy J; Donze, Melissa; Allen, Elizabeth; Bonell, Chris

Effects of Interventions Addressing School Environments or Educational Assets on Adolescent Sexual Health: Systematic Review and Meta-analysis. (2018) Peterson, Amy J; Donze, Melissa; Allen, Elizabeth; Bonell, Chris description

Risk of sexually transmitted infections and violence among indoor-working female sex workers in London: the effect of migration from Eastern Europe. (2011) Platt, Lucy; Grenfell, Pippa; Bonell, Chris; Creighton, Sarah; Wellings, Kaye; Parry, John; Rhodes, Tim

Systematic review examining differences in HIV, sexually transmitted infections and health-related harms between migrant and non-migrant female sex workers. (2012) Platt, Lucy; Grenfell, Pippa; Fletcher, Adam; Sorhaindo, Annik; Jolley, Emma; Rhodes, Tim; Bonell, Chris

Measuring risk of HIV and HCV among injecting drug users in the Russian Federation. (2009) Platt, Lucy; Sutton, AJ; Vickerman, P; Koshkina, E; Maximova, S; Latishevskaya, N; Hickman, M; Bonell, C; Parry, J; Rhodes, T

Feasibility and acceptability of a whole-school social-marketing intervention to prevent unintended teenage pregnancies and promote sexual health: evidence for progression from a pilot to a phase III randomised trial in English secondary schools. (2022) Ponsford, R; Bragg, S; Meiksin, R; Tilouche, N; Van Dyck, L; Sturgess, J; Allen, E; Elbourne, D; Hadley, A; Lohan, M; Mercer, CH; Melendez Torres, GJ; Morris, S; Young, H; Campbell, R; Bonell, C

Study protocol for the optimisation, feasibility testing and pilot cluster randomised trial of Positive Choices: a school-based social marketing intervention to promote sexual health, prevent unintended teenage pregnancies and address health inequalities in England. (2018) Ponsford, Ruth; Allen, Elizabeth; Campbell, Rona; Elbourne, Diana; Hadley, Alison; Lohan, Maria; Melendez-Torres, GJ; Mercer, Catherine H; Morris, Steve; Young, Honor; Bonell, Chris

A school-based social-marketing intervention to promote sexual health in English secondary schools: the Positive Choices pilot cluster RCT. (2021) Ponsford, Ruth; Bragg, Sara; Allen, Elizabeth; Tilouche, Nerissa; Meiksin, Rebecca; Emmerson, Lucy; Van Dyck, Laura; Opondo, Charles; Morris, Steve; Sturgess, Joanna; Brocklehurst, Elizabeth; Hadley, Alison; Melendez-Torres, GJ; Elbourne, Diana; Young, Honor; Lohan, Maria; Mercer, Catherine; Campbell, Rona; Bonell, Chris

Whole-school interventions promoting student commitment to school to prevent substance use and violence: Synthesis of theories of change. (2022) Ponsford, Ruth; Falconer, Jane; Melendez-Torres, GJ; Bonell, Chris

What factors influence implementation of whole-school interventions aiming to promote student commitment to school to prevent substance use and violence? Systematic review and synthesis of process evaluations. (2022) Ponsford, Ruth; Falconer, Jane; Melendez-Torres, GJ; Bonell, Chris

The Positive Choices trial: study protocol for a Phase-III RCT trial of a whole-school social marketing intervention to promote sexual health and reduce health inequalities. (2021) Ponsford, Ruth; Meiksin, Rebecca; Allen, Elizabeth; Melendez-Torres, GJ; Morris, Steve; Mercer, Catherine; Campbell, Rona; Young, Honor; Lohan, Maria; Coyle, Karin; Bonell, Chris

The Positive Choices trial: update to study protocol for a phase-III RCT trial of a whole-school social-marketing intervention to promote sexual health and reduce health inequalities. (2022) Ponsford, Ruth; Meiksin, Rebecca; Allen, Elizabeth; Melendez-Torres, GJ; Morris, Steve; Mercer, Catherine; Campbell, Rona; Young, Honor; Lohan, Maria; Coyle, Karin; Bonell, Chris

Co-production of two whole-school sexual health interventions for English secondary schools: positive choices and project respect. (2021) Ponsford, Ruth; Meiksin, Rebecca; Bragg, Sara; Crichton, Joanna; Emmerson, Lucy; Tancred, Tara; Tilouche, Nerissa; Morgan, Gemma; Gee, Pete; Young, Honor; Hadley, Alison; Campbell, Rona; Bonell, Chris

The implementation of compulsory relationships and sex education in English secondary schools: qualitative research in the 2022–23 school year. (2024) Ponsford, Ruth; Meiksin, Rebecca; Melendez-Torres, GJ; Hadley, Alison; Lohan, Maria; Bonell, Chris P

Whole-school interventions promoting student commitment to school to prevent substance use and violence, and improve educational attainment: a systematic review. (2024) Ponsford, Ruth; Melendez-Torres, GJ; Miners, Alec; Falconer, Jane; Bonell, Chris

What is best practice in sex and relationship education? A synthesis of evidence, including stakeholders' views. (2017) Pound, Pandora; Denford, Sarah; Shucksmith, Janet; Tanton, Clare; Johnson, Anne M; Owen, Jenny; Hutten, Rebecca; Mohan, Leanne; Bonell, Chris; Abraham, Charles; Campbell, Rona

Men who have sex with men in Great Britain: comparing methods and estimates from probability and convenience sample surveys. (2016) Prah, Philip; Hickson, Ford; Bonell, Chris; McDaid, Lisa M; Johnson, Anne M; Wayal, Sonali; Clifton, Soazig; Sonnenberg, Pam; Nardone, Anthony; Erens, Bob; Copas, Andrew J; Riddell, Julie; Weatherburn, Peter; Mercer, Catherine H

Online Sexual Partner Seeking as a Social Practice: Qualitative Evidence from the 4th British National Survey of Sexual Attitudes and Lifestyles (Natsal-4). (2021) Reid, David S; Macdowall, Wendy G; Lewis, Ruth; Hogan, Bernie; Mitchell, Kirstin R; Bosó Pérez, Raquel; Gibbs, Jo; Smith, Clarissa; Attwood, Feona; Mercer, Catherine H; Sonnenberg, Pam; Bonell, Chris

Exploring the Activities and Target Audiences of School-Based Violence Prevention Programs: Systematic Review and Intervention Component Analysis. (2022) Rizzo, Andrew J; Orr, Noreen; Shaw, Naomi; Farmer, Caroline; Chollet, Annah; Young, Honor; Berry, Vashti; Rigby, Emma; Hagell, Ann; Bonell, Chris; Melendez-Torres, GJ

Barriers and facilitators to the implementation of Health-Promoting School programmes targeting bullying and violence: a systematic review. (2021) Sadjadi, Mahan; Blanchard, Laurence; Brülle, Rebecca; Bonell, Chris

A new measure of unhealthy school environments and its implications for critical assessments of health promotion in schools. (2016) Shackleton, N; Fletcher, A; Jamal, F; Markham, W; Aveyard, P; Mathiot, A; Allen, E; Viner, R; Bonell, C description

Associations between socio‐economic status (including school‐ and pupil‐level interactions) and student perceptions of school environment and health in English secondary schools. (2018) Shackleton, Nichola; Allen, Elizabeth; Bevilacqua, Leonardo; Viner, Russell; Bonell, Chris

School-Based Interventions Going Beyond Health Education to Promote Adolescent Health: Systematic Review of Reviews. (2016) Shackleton, Nichola; Jamal, Farah; Viner, Russell M; Dickson, Kelly; Patton, George; Bonell, Christopher description

Systematic review of reviews of observational studies of school-level effects on sexual health, violence and substance use. (2016) Shackleton, Nichola; Jamal, Farah; Viner, Russell; Dickson, Kelly; Hinds, Kate; Patton, George; Bonell, Chris description

Is being a victim of bullying or cyberbullying in secondary school associated with subsequent risk-taking behavior in adolescence? A longitudinal study in secondary schools. (2022) Shah, R; Dodd, M; Allen, E; Viner, R; Bonell, C

Intimate physical contact between people from different households during the COVID-19 pandemic: a mixed-methods study from a large, quasi-representative survey (Natsal-COVID). (2022) Sonnenberg, Pam; Menezes, Dee; Freeman, Lily; Maxwell, Karen J; Reid, David; Clifton, Soazig; Tanton, Clare; Copas, Andrew; Riddell, Julie; Dema, Emily; Bosó Pérez, Raquel; Gibbs, Jo; Ridge, Mary-Clare; Macdowall, Wendy; Unemo, Magnus; Bonell, Chris; Johnson, Anne M; Mercer, Catherine H; Mitchell, Kirstin; Field, Nigel

Young women's lived experience of participating in a positive youth development programme The "Teens & Toddlers" pregnancy prevention intervention. (2016) Sorhaindo, A; Mitchell, K; Fletcher, A; Jessiman, P; Keogh, P; Bonell, C

Being targeted: Young women's experience of being identified for a teenage pregnancy prevention programme. (2016) Sorhaindo, Annik; Bonell, Chris; Fletcher, Adam; Jessiman, Patricia; Keogh, Peter; Mitchell, Kirstin

Young women’s lived experience of participating in a positive youth development programme. (2016) Sorhaindo, Annik; Mitchell, Kirstin; Fletcher, Adam; Jessiman, Patricia; Keogh, Peter; Bonell, Chris

Risk factors associated with early smoking onset in two large birth cohorts. (2018) Staff, Jeremy; Maggs, Jennifer L; Ploubidis, George B; Bonell, Chris

The long-term effects of a peer-led sex education programme (RIPPLE): a cluster randomised trial in schools in England. (2008) Stephenson, Judith; Strange, Vicki; Allen, Elizabeth; Copas, Andrew; Johnson, Anne; Bonell, Chris; Babiker, Abdel; Oakley, Ann; RIPPLE Study Team

Integrating Process with Outcome Data in a Randomized Controlled Trial of Sex Education. (2006) Strange, Vicki; Allen, Elizabeth; Oakley, Ann; Bonell, Chris; Johnson, Anne; Stephenson, Judith; The Ripple Study Team

Implementation of COVID-19 Preventive Measures and Staff Well-Being in a Sample of English Schools 2020-2021. (2023) Sundaram, Neisha; Abramsky, Tanya; Oswald, William E; Cook, Sarah; Halliday, Katherine E; Nguipdop-Djomo, Patrick; Sturgess, Joanna; Ireland, Georgina; Ladhani, Shamez N; Mangtani, Punam; Langan, Sinéad M; Hargreaves, James R; Bonell, Chris; COVID-19 Schools Infection Survey Study Group

Implementation of preventive measures to prevent COVID-19: a national study of English primary schools in summer 2020. (2021) Sundaram, Neisha; Bonell, Chris; Ladhani, Shamez; Langan, Sinéad M; Baawuah, Frances; Okike, Ifeanychukwu; Ahmad, Shazaad; Beckmann, Joanne; Garstang, Joanna; Brent, Bernadette E; Brent, Andrew J; Amin-Chowdhury, Zahin; Aiano, Felicity; Hargreaves, James

Qualitative study of the feasibility and acceptability of implementation, and potential mechanisms of Learning Together for Mental Health, a whole-school intervention aiming to promote mental health and wellbeing in secondary schools. (2024) Sundaram, Neisha; Lloyd-Houldey, Oliver; Michalopoulou, Semina; Hope, Steven; Sturgess, Joanna; Allen, Elizabeth; Legood, Rosa; Scott, Stephen; Hudson, Lee D; Nicholls, Dasha; Christie, Deborah; Viner, Russell M; Bonell, Chris

Integrating Health Education in Academic Lessons: Is This the Future of Health Education in Schools? (2017) Tancred, Tara; Fletcher, Adam; Melendez-Torres, GJ; Thomas, James; Campbell, Rona; Bonell, Chris

Interventions integrating health and academic education in schools to prevent substance misuse and violence: a systematic review. (2019) Tancred, Tara; Melendez-Torres, GJ; Paparini, Sara; Fletcher, Adam; Stansfield, Claire; Thomas, James; Campbell, Rona; Taylor, Suzanne; Bonell, Chris

Interventions integrating health and academic interventions to prevent substance use and violence: a systematic review and synthesis of process evaluations. (2018) Tancred, Tara; Paparini, Sara; Melendez-Torres, GJ; Fletcher, Adam; Thomas, James; Campbell, Rona; Bonell, Chris

A systematic review and synthesis of theories of change of school-based interventions integrating health and academic education as a novel means of preventing violence and substance use among students. (2018) Tancred, Tara; Paparini, Sara; Melendez-Torres, GJ; Thomas, James; Fletcher, Adam; Campbell, Rona; Bonell, Chris

How does the sexual, physical and mental health of young adults not in education, employment or training (NEET) compare to workers and students? (2021) Tanton, Clare; McDonagh, Lorraine; Cabecinha, Melissa; Clifton, Soazig; Geary, Rebecca; Rait, Greta; Saunders, John; Cassell, Jackie; Bonell, Chris; Mitchell, Kirstin R; Mercer, Catherine H

Menstrual characteristics, menstrual anxiety and school attendance among adolescents in Uganda: a longitudinal study. (2021) Tanton, Clare; Nakuya, Kevin; Kansiime, Catherine; Hytti, Laura; Torondel, Belen; Francis, Suzanna C; Namirembe, Prossy; Nakalema, Shamirah; Nalugya, Ruth; Musoke, Saidat Namuli; Neema, Stella; Ross, David A; Bonell, Chris; Seeley, Janet; Weiss, Helen A

Exploring views of members of the public and policymakers on the acceptability of population level dietary and active-travel policies: a qualitative study. (2023) Toumpakari, Z; Valerino-Perea, S; Willis, K; Adams, J; White, M; Vasiljevic, M; Ternent, L; Brown, J; Kelly, MP; Bonell, C; Cummins, S; Majeed, A; Anderson, S; Robinson, T; Araujo-Soares, V; Watson, J; Soulsby, I; Green, D; Sniehotta, FF; Jago, R

Using volunteered geographic information to assess mobility in the early phases of the COVID-19 pandemic: a cross-city time series analysis of 41 cities in 22 countries from March 2nd to 26th 2020. (2020) Vannoni, Matia; McKee, Martin; Semenza, Jan C; Bonell, Chris; Stuckler, David

Combination methods for HIV prevention in men who have sex with men (MSM). (2014) Verboom, Benjamin; Melendez-Torres, Gerardo; Bonell, Christopher P

The health benefits of secondary education in adolescents and young adults: An international analysis in 186 low-, middle- and high-income countries from 1990 to 2013. (2016) Viner, RM; Hargreaves, DS; Ward, J; Bonell, C; Mokdad, AH; Patton, G

Reopening schools during the COVID-19 pandemic: governments must balance the uncertainty and risks of reopening schools against the clear harms associated with prolonged closure. (2021) Viner, Russell M; Bonell, Christopher; Drake, Lesley; Jourdan, Didier; Davies, Nicolette; Baltag, Valentina; Jerrim, John; Proimos, Jenny; Darzi, Ara

The health benefits of secondary education in adolescents and young adults: An international analysis in 186 low-, middle- and high-income countries from 1990 to 2013. (2016) Viner, Russell M; Hargreaves, Dougal S; Ward, Joseph; Bonell, Chris; Mokdad, Ali H; Patton, George

Susceptibility to SARS-CoV-2 Infection Among Children and Adolescents Compared With Adults: A Systematic Review and Meta-analysis. (2020) Viner, Russell M; Mytton, Oliver T; Bonell, Chris; Melendez-Torres, GJ; Ward, Joseph; Hudson, Lee; Waddington, Claire; Thomas, James; Russell, Simon; van der Klis, Fiona; Koirala, Archana; Ladhani, Shamez; Panovska-Griffiths, Jasmina; Davies, Nicholas G; Booy, Robert; Eggo, Rosalind M

School closure and management practices during coronavirus outbreaks including COVID-19: a rapid systematic review. (2020) Viner, Russell M; Russell, Simon J; Croker, Helen; Packer, Jessica; Ward, Joseph; Stansfield, Claire; Mytton, Oliver; Bonell, Chris; Booy, Robert

Transmission of SARS-CoV-2 by children and young people in households and schools: A meta-analysis of population-based and contact-tracing studies. (2021) Viner, Russell; Waddington, Claire; Mytton, Oliver; Booy, Robert; Cruz, Joana; Ward, Joseph; Ladhani, Shamez; Panovska-Griffiths, Jasmina; Bonell, Chris; Melendez-Torres, GJ

Do school closures and school reopenings affect community transmission of COVID-19? A systematic review of observational studies. (2021) Walsh, Sebastian; Chowdhury, Avirup; Braithwaite, Vickie; Russell, Simon; Birch, Jack Michael; Ward, Joseph L; Waddington, Claire; Brayne, Carol; Bonell, Chris; Viner, Russell M; Mytton, Oliver T

Are realist randomised controlled trials possible? A reflection on the INCLUSIVE evaluation of a whole-school, bullying-prevention intervention. (2022) Warren, Emily A; Melendez-Torres, GJ; Bonell, Chris

Action groups as a participative strategy for leading whole‐school health promotion: Results on implementation from the<scp>INCLUSIVE</scp>trial in English secondary schools. (2019) Warren, Emily; Bevilacqua, Leonardo; Opondo, Charles; Allen, Elizabeth; Mathiot, Anne; West, Grace; Jamal, Farah; Viner, Russell; Bonell, Chris

Using fuzzy-set qualitative comparative analysis to explore causal pathways to reduced bullying in a whole-school intervention in a randomized controlled trial. (2022) Warren, Emily; Melendez-Torres, GJ; Bonell, Chris

Using qualitative research to explore intervention mechanisms: findings from the trial of the Learning Together whole-school health intervention. (2020) Warren, Emily; Melendez-Torres, GJ; Viner, Russell; Bonell, Chris

Correction to: Using qualitative research to explore intervention mechanisms: findings from the trial of the learning together whole-school health intervention. (2020) Warren, Emily; Melendez-Torres, GJ; Viner, Russell; Bonell, Chris

Smartphone use and mental health: going beyond school restriction policies. (2025) Weiss, Helen A; Bonell, Chris picture_as_pdf

Association Between Gender Minority Status and Mental Health in High School Students. (2023) White, James; Moore, Laurence; Cannings-John, Rebecca; Hawkins, Jemma; Bonell, Chris; Hickman, Matthew; Zammit, Stanley; Adara, Linda

Health outcomes of youth development programme in England: prospective matched comparison study. (2009) Wiggins, Meg; Bonell, Chris; Sawtell, Mary; Austerberry, Helen; Burchett, Helen; Allen, Elizabeth; Strange, Vicki

The quality of young people's heterosexual relationships: a longitudinal analysis of characteristics shaping subjective experience. (2008) Wight, Daniel; Parkes, Alison; Strange, Vicki; Allen, Elizabeth; Bonell, Chris; Henderson, Marion

Pilot phase of an internet-based RCT of HIVST targeting MSM and transgender people in England and Wales: advertising strategies and acceptability of the intervention. (2019) Witzel, T Charles; Gabriel, Michelle M; McCabe, Leanne; Weatherburn, Peter; Gafos, Mitzy; Speakman, Andrew; Pebody, Roger; Burns, Fiona M; Bonell, Chris; Lampe, Fiona C; Dunn, David T; Ward, Denise; Harbottle, Justin; Phillips, Andrew N; McCormack, Sheena; Rodger, Alison J

Understanding experiences of potential harm among MSM (cis and trans) using HIV self-testing in the SELPHI randomised controlled trial in England and Wales: a mixed-methods study. (2023) Witzel, T Charles; Nicholls, Emily Jay; McCabe, Leanne; Weatherburn, Peter; McCormack, Sheena; Bonell, Christopher; Gafos, Mitzy; Lampe, Fiona C; Speakman, Andrew; Dunn, David; Ward, Denise; Phillips, Andrew N; Pebody, Roger; Gabriel, Michelle M; Collaco-Moraes, Yolanda; Rodger, Alison J; Burns, Fiona M

Exploring Mechanisms of Action: Using a Testing Typology to Understand Intervention Performance in an HIV Self-Testing RCT in England and Wales. (2020) Witzel, T Charles; Weatherburn, Peter; Bourne, Adam; Rodger, Alison J; Bonell, Chris; Gafos, Mitzy; Trevelion, Roy; Speakman, Andrew; Lampe, Fiona; Ward, Denise; Dunn, David T; Gabriel, Michelle M; McCabe, Leanne; Harbottle, Justin; Moraes, Yolanda Collaco; Michie, Susan; Phillips, Andrew N; McCormack, Sheena; Burns, Fiona M description

Impact and acceptability of HIV self-testing for trans men and trans women: A mixed-methods subgroup analysis of the SELPHI randomised controlled trial and process evaluation in England and Wales. (2021) Witzel, T Charles; Wright, Talen; McCabe, Leanne; Gabriel, Michelle M; Wolton, Aedan; Gafos, Mitzy; Ward, Denise; Lampe, Fiona C; Phillips, Andrew N; Trevelion, Roy; Collaco-Moraes, Yolanda; Harbottle, Justin; Speakman, Andrew; Bonell, Chris; Dunn, David D; McCormack, Sheena; Burns, Fiona M; Weatherburn, Peter; Rodger, Alison J

HIV self-testing intervention experiences and kit usability: results from a qualitative study among men who have sex with men in the SELPHI (Self-Testing Public Health Intervention) randomized controlled trial in England and Wales. (2019) Witzel, TC; Bourne, A; Burns, FM; Rodger, AJ; McCabe, L; Gabriel, MM; Gafos, M; Ward, D; Collaco-Moraes, Y; Dunn, DT; Speakman, A; Bonell, C; Pebody, R; Lampe, FC; Harbottle, J; Phillips, AN; McCormack, S; Weatherburn, P

Dating and relationship violence among 16-19 year olds in England and Wales: a cross-sectional study of victimization. (2017) Young, Honor; Turney, Catherine; White, James; Bonell, Chris; Lewis, Ruth; Fletcher, Adam

Formative mixed-method multicase study research to inform the development of a safer sex and healthy relationships intervention in further education (FE) settings: the SaFE Project. (2019) Young, Honor; Turney, Catherine; White, James; Lewis, Ruth; Bonell, Christopher

Distilling the curriculum: An analysis of alcohol industry-funded school-based youth education programmes. (2022) van Schalkwyk, May CI; Petticrew, Mark; Maani, Nason; Hawkins, Ben; Bonell, Chris; Katikireddi, Srinivasa Vittal; Knai, Cécile

Involving stakeholders in programme theory specification: discussion of a systematic, consensus-based approach. (2015) van Urk, FC; Grant, S; Bonell, C

Involving stakeholders in programme theory specification: discussion of a systematic, consensus-based approach. (2016) van Urk, Felix; Grant, Sean; Bonell, Chris

Book Section

Transfer and scale-up of health promotion interventions. (2006) Bonell, C

Sexual health should be subject to experimental evaluation. (2003) Bonell, C; Bennett, R; Oakley, A

Evaluating Sexual Health Interventions. (2012) Bonell, Chris; Burchett, Helen; Wiggins, M.

Reviewing the evidence base for health promotion planning. (2006) Brunton, G; Rees, R; Bonell, C

Evaluating health promotion. (2006) Wiggins, M; Bonell, C; Burchett, H

Monograph

Towards a London HIV Prevention Strategy. (2001) Bonell, C

In the City: An Evaluation of Detached HIV Prevention in Commercial Venues and Public Sex Environments. (2004) Strange, V; Bonell, C; Barnett-Page, E

Evaluation of the Young People's Development Programme. First interim report. (2004) Wiggins, M; Bonell, C; Sawtell, M; Burchett, H; Austerberry, H; Strange, V

Evaluation of the Young People's Development Programme Second interim report. (2006) Wiggins, M; Sawtell, M; Austerberry, H; Burchett, H; Strange, V; Bonell, C

Conference or Workshop Item

"Escaping from prison'': Female students' substance use and the school environment. (2008) Fletcher, A; Bonell, C

THE SECONDARY-SCHOOL 'MARKET' AND YOUNG PEOPLE'S HEALTH: QUALITATIVE CASE-STUDY RESEARCH IN SEVEN ENGLISH SECONDARY-SCHOOLS. (2011) Fletcher, A; Bonell, C; Sorhaindo, A; Wells, H; McKee, M

CONFOUNDED CLUSTERS: AN ASSESSMENT OF THE ADEQUACY OF MEASURES TO MINIMISE CONFOUNDING IN CLUSTER RCTS. (2011) Katikireddi, SV; Thoulass, J; Bonell, C; Bond, L

Assessment of survey items on social norms relating to sexual behaviour and dating and relationship violence among young adolescents in England: cognitive interviews within two pilot studies. (2018) Meiksin, Rebecca; Ponsford, Ruth; Bonell, Chris

Typologies of risk in sexual encounters reported by MSM in England. (2014) Melendez-Torres, G; Hickson, F; Reid, D; Weatherburn, P; Bonell, C

Book

Health Promotion Practice. (2006) Macdowall, W; Bonell, C; Davies, M; (Eds)

Effective Sexual Health Interventions: Issues in Experimental Evaluation. (2003) Stephenson, J; Imrie, J; Bonell, C

Thesis

Understanding the sustainability of school interventions to improve students’ health, wellbeing and behaviour. (2021) Herlitz, L

Community Development for HIV Prevention among Males who have Sex with Males in Bangladesh: Rhetoric or Reality? (2018) Hossain, MB

Developing and refining social norms measures for the evaluation of a school-based intervention to reduce dating and relationship violence among adolescents in England. (2024) Meiksin, R N

Effects of the school environment on adolescent sexual behaviour: a mixed methods assessment of the theory of human functioning and school organisation. (2019) Peterson, A

Are realist randomised controlled trials possible? INCLUSIVE as a case study of an emerging method. (2022) Warren, EA

Other

Defending evidence informed policy making from ideological attack. (2018) Bonell, Chris; Meiksin, Rebecca; Mays, Nicholas; Petticrew, Mark; McKee, Martin