Items where Author is "McCarthy, O"

Year Item Type Full Text

Article

The Sexunzipped trial: optimizing the design of online randomized controlled trials. (2013) Bailey, Julia V; Pavlou, Menelaos; Copas, Andrew; McCarthy, Ona; Carswell, Ken; Rait, Greta; Hart, Graham; Nazareth, Irwin; Free, Caroline; French, Rebecca; Murray, Elizabeth

Sexual health interventions delivered to participants by mobile technology: a systematic review and meta-analysis of randomised controlled trials. (2021) Berendes, Sima; Gubijev, Anasztazia; McCarthy, Ona L; Palmer, Melissa J; Wilson, Emma; Free, Caroline

Age, sex and sexual orientation effects in the Safetxt trial: secondary data analysis of a randomised controlled trial. (2024) Berendes, Sima; Palmer, Melissa J; Hickson, Ford Colin Ian; Bradley, Ellen; McCarthy, Ona L; Carpenter, James R; Free, Caroline

Integrating psychological theory into the design of an online intervention for sexual health: the sexunzipped website. (2012) Carswell, Kenneth; McCarthy, Ona; Murray, Elizabeth; Bailey, Julia V

mHealth interventions for postpartum family planning in LMICs: A realist review. (2024) Chandrasekar, Abinaya; Warren, Emily; Free, Caroline; Mbogua, Judie; Curtin, Esther; Gazeley, Ursula; Wong, Geoffrey; Church, Kathryn; McCarthy, Ona

Impact of digital antenatal care intervention on paper-based antenatal care recordkeeping: a before-and-after study in primary healthcare facilities in Nepal. (2025) Das, Seema; Radovich, Emma; Karki, Sulata; Calvert, Clara; Shakya, Rajani; Penn-Kekana, Loveday; Shrestha, Abha; Karmacharya, Biraj Man; McCarthy, Ona L; Shrestha, Abha; Campbell, Oona MR picture_as_pdf

The impact of community-based integrated HIV and sexual and reproductive health services for youth on population-level HIV viral load and sexually transmitted infections in Zimbabwe: protocol for the CHIEDZA cluster-randomised trial. (2022) Dziva Chikwari, Chido; Dauya, Ethel; Bandason, Tsitsi; Tembo, Mandikudza; Mavodza, Constancia; Simms, Victoria; Mackworth-Young, Constance RS; Apollo, Tsitsi; Grundy, Chris; Weiss, Helen; Kranzer, Katharina; Mavimba, Tino; Indravudh, Pitchaya; Doyle, Aoife; Mugurungi, Owen; Machiha, Anna; Bernays, Sarah; Busza, Joanna; Madzima, Bernard; Terris-Prestholt, Fern; McCarthy, Ona; Hayes, Richard; Francis, Suzanna; Ferrand, Rashida A

The impact of community-based integrated HIV and sexual and reproductive health services for youth on population-level HIV viral load and sexually transmitted infections in Zimbabwe: protocol for the CHIEDZA cluster-randomised trial. (2022) Dziva Chikwari, Chido; Dauya, Ethel; Bandason, Tsitsi; Tembo, Mandikudza; Mavodza, Constancia; Simms, Victoria; Mackworth-Young, Constance Rs; Apollo, Tsitsi; Grundy, Chris; Weiss, Helen; Kranzer, Katharina; Mavimba, Tino; Indravudh, Pitchaya; Doyle, Aoife; Mugurungi, Owen; Machiha, Anna; Bernays, Sarah; Busza, Joanna; Madzima, Bernard; Terris-Prestholt, Fern; McCarthy, Ona; Hayes, Richard; Francis, Suzanna; Ferrand, Rashida A

Safetxt: a safer sex intervention delivered by mobile phone messaging on sexually transmitted infections (STI) among young people in the UK - protocol for a randomised controlled trial. (2020) Free, Caroline; McCarthy, Ona L; Palmer, Melissa J; Knight, Rosemary; Edwards, Phil; French, Rebecca; Baraitser, Paula; Hickson, Ford Colin Ian; Wellings, Kaye; Roberts, Ian; Bailey, Julia V; Hart, Graham; Michie, Susan; Clayton, Tim; Ploubidis, George B; Carpenter, James R; Turner, Katy ME; Devries, Karen; Potter, Kimberley

Can text messages increase safer sex behaviours in young people? Intervention development and pilot randomised controlled trial. (2016) Free, Caroline; McCarthy, Ona; French, Rebecca S; Wellings, Kaye; Michie, Susan; Roberts, Ian; Devries, Karen; Rathod, Sujit; Bailey, Julia; Syred, Jonathan; Edwards, Phil; Hart, Graham; Palmer, Melissa; Baraitser, Paula

Effectiveness of a behavioural intervention delivered by text messages (safetxt) on sexually transmitted reinfections in people aged 16-24 years: randomised controlled trial. (2022) Free, Caroline; Palmer, Melissa J; McCarthy, Ona L; Jerome, Lauren; Berendes, Sima; Knight, Megan; Carpenter, James R; Morris, Tim P; Jamal, Zahra; Dhaliwal, Farandeep; French, Rebecca S; Hickson, Ford Colin Ian; Gubijev, Anasztazia; Wellings, Kaye; Baraitser, Paula; Roberts, Ian; Bailey, Julia V; Clayton, Tim; Devries, Karen; Edwards, Phil; Hart, Graham; Michie, Susan; Macgregor, Louis; Turner, Katy ME; Potter, Kimberley

Behavioural intervention to reduce sexually transmitted infections in people aged 16–24 years in the UK: the safetxt RCT. (2023) Free, Caroline; Palmer, Melissa J; Potter, Kimberley; McCarthy, Ona L; Jerome, Lauren; Berendes, Sima; Gubijev, Anasztazia; Knight, Megan; Jamal, Zahra; Dhaliwal, Farandeep; Carpenter, James R; Morris, Tim P; Edwards, Phil; French, Rebecca; Macgregor, Louis; Turner, Katy ME; Baraitser, Paula; Hickson, Ford CI; Wellings, Kaye; Roberts, Ian; Bailey, Julia V; Hart, Graham; Michie, Susan; Clayton, Tim; Devries, Karen

Safetxt: A randomised controlled trial of a behavioural intervention delivered by text messages to reduce sexually transmitted re-infections in people aged 16-24. (2022) Free, Caroline; Palmer, Melissa; McCarthy, Ona; Jerome, Lauren; Berendes, Sima; Knight, Megan; Carpenter, James; Morris, Tim; Jamal, Zahra; Dhaliwal, Farandeep; French, Rebecca; Hickson, Ford Colin Ian; Gubijev, Anasztazia; Wellings, Kaye; Baraitser, Paula; Roberts, Ian; Bailey, Julia; Clayton, Tim; Devries, Karen; Edwards, Phil; Hart, Graham; Michie, Susan; Macgregor, Louis; Turner, Katy ME; Potter, Kimberley

Young people’s views and experiences of a mobile phone texting intervention to promote safer sex behaviour. (2015) French, R; McCarthy, O; Baraitser, P; Wellings, K; Bailey, J; Free, C

Young People's Views and Experiences of a Mobile Phone Texting Intervention to Promote Safer Sex Behavior. (2015) French, Rebecca Sophia; McCarthy, Ona; Baraitser, Paula; Wellings, Kaye; Bailey, Julia V; Free, Caroline

A dynamic and collaborative approach to trial recruitment in safetxt, a UK sexual health randomised controlled trial. (2022) Jerome, Lauren; Potter, Kimberley; McCarthy, Ona; Palmer, Melissa; Knight, Megan; Free, Caroline

A Novel Approach to Assessing the Potential of Electronic Decision Support Systems to Improve the Quality of Antenatal Care in Nepal. (2025) Karmacharya, Biraj Man; Das, Seema; Shrestha, Abha; Shrestha, Abha; Karki, Sulata; Shakya, Rajani; Radovich, Emma; Penn-Kekana, Loveday; Calvert, Clara; Campell, Oona MR; McCarthy, Ona L picture_as_pdf

Development and pilot evaluation of a complex intervention to improve experienced continuity of care in patients with cancer. (2009) King, M; Jones, L; McCarthy, O; Rogers, M; Richardson, A; Williams, R; Tookman, A; Nazareth, I

Antenatal Care Interventions to Increase Contraceptive Use Following Birth in Low- and Middle-Income Countries: Systematic Review and Narrative Synthesis. (2024) McCarthy, Ona L; Fardousi, Nasser; Tripathi, Vandana; Stafford, Renae; Levin, Karen; Khan, Farhad; Pepper, Maxine; Campbell, Oona MR

Safetxt: a pilot randomised controlled trial of an intervention delivered by mobile phone to increase safer sex behaviours in young people. (2016) McCarthy, Ona L; French, Rebecca S; Baraitser, Paula; Roberts, Ian; Rathod, Sujit D; Devries, Karen; Bailey, Julia V; Edwards, Phil; Wellings, Kaye; Michie, Susan; Free, Caroline

Adapting an evidence-based contraceptive behavioural intervention delivered by mobile phone for young people in Zimbabwe. (2022) McCarthy, Ona L; Mavodza, Constancia; Chikwari, Chido Dziva; Dauya, Ethel; Tembo, Mandikudza; Hlabangana, Portia; Dembetembe, Regedzai; Mpakami, Nyasha; Bandason, Tsitsi; Free, Caroline; Smith, Chris; Ferrand, Rashida A

An Intervention Delivered by App Instant Messaging to Increase Acceptability and Use of Effective Contraception Among Young Women in Bolivia: Protocol of a Randomized Controlled Trial. (2017) McCarthy, Ona L; Osorio Calderon, Veronica; Makleff, Shelly; Huaynoca, Silvia; Leurent, Baptiste; Edwards, Phil; Lopez Gallardo, Jhonny; Free, Caroline

Achieving proportional representation in a reproductive health survey through social media: process and recommendations. (2022) McCarthy, Ona L; Palmer, Melissa J; Gubijev, Anasztazia; Wellings, Kaye; Mann, Sue; Leon, Lydia; Callaghan, Faye; Patterson, Sophie; French, Rebecca S

An intervention delivered by text message to increase the acceptability of effective contraception among young women in Palestine: study protocol for a randomised controlled trial. (2017) McCarthy, Ona L; Wazwaz, Ola; Jado, Iman; Leurent, Baptiste; Edwards, Phil; Adada, Samia; Stavridis, Amina; Free, Caroline

Development of an intervention delivered by mobile phone aimed at decreasing unintended pregnancy among young people in three lower middle income countries. (2018) McCarthy, Ona L; Wazwaz, Ola; Osorio Calderon, Veronica; Jado, Iman; Saibov, Salokhiddin; Stavridis, Amina; López Gallardo, Jhonny; Tokhirov, Ravshan; Adada, Samia; Huaynoca, Silvia; Makleff, Shelly; Vandewiele, Marieka; Standaert, Sarah; Free, Caroline

A randomized controlled trial of an intervention delivered by mobile phone text message to increase the acceptability of effective contraception among young women in Palestine. (2019) McCarthy, Ona L; Zghayyer, Hanadi; Stavridis, Amina; Adada, Samia; Ahamed, Irrfan; Leurent, Baptiste; Edwards, Phil; Palmer, Melissa; Free, Caroline picture_as_pdf

A randomized controlled trial of an intervention delivered by mobile phone app instant messaging to increase the acceptability of effective contraception among young people in Tajikistan. (2018) McCarthy, Ona; Ahamed, Irrfan; Kulaeva, Firuza; Tokhirov, Ravshan; Saibov, Salokhiddin; Vandewiele, Marieka; Standaert, Sarah; Leurent, Baptiste; Edwards, Phil; Palmer, Melissa; Free, Caroline

What young people want from a sexual health website: design and development of Sexunzipped. (2012) McCarthy, Ona; Carswell, Kenneth; Murray, Elizabeth; Free, Caroline; Stevenson, Fiona; Bailey, Julia V

Simple steps to develop trial follow-up procedures. (2016) McCarthy, Ona; French, Rebecca S; Roberts, Ian; Free, Caroline

A randomised controlled trial of an intervention delivered by app instant messaging to increase the acceptability of effective contraception among young people in Tajikistan: study protocol. (2017) McCarthy, Ona; Leurent, Baptiste; Edwards, Phil; Tokhirov, Ravshan; Free, Caroline

Patient and health professional attitudes towards the use of telemedicine for abortion care in Britain: Findings from the SACHA study. (2024) Meiksin, Rebecca; Lewandowska, Maria; Scott, Rachel H; Palmer, Melissa; McCarthy, Ona; Salaria, Natasha; Lohr, Patricia A; Shawe, Jill; French, Rebecca Sophia; Wellings, Kaye; SACHA Study Team

A cluster randomized controlled trial of an electronic decision-support system to enhance antenatal care services in pregnancy at primary healthcare level in Telangana, India: trial protocol. (2023) Mohan, Sailesh; Chaudhry, Monica; McCarthy, Ona; Jarhyan, Prashant; Calvert, Clara; Jindal, Devraj; Shakya, Rajani; Radovich, Emma; Kondal, Dimple; Penn-Kekana, Loveday; Basany, Kalpana; Roy, Ambuj; Tandon, Nikhil; Shrestha, Abha; Shrestha, Abha; Karmacharya, Biraj; Cairns, John; Perel, Pablo; Campbell, Oona MR; Prabhakaran, Dorairaj

The Burden of Poor Reproductive Health in England: Results From a Cross-Sectional Survey. (2025) Palmer, Melissa J; McCarthy, Ona L; French, Rebecca S picture_as_pdf

Workload in antenatal care before and after implementation of an electronic decision support system: an observed time-motion study of healthcare providers in Nepal. (2025) Radovich, Emma; Das, Seema; Karki, Sulata; Bottomley, Christian; McCarthy, Ona L; Shrestha, Abha; Penn-Kekana, Loveday; Shakya, Rajani; Karmacharya, Biraj Man; Shrestha, Abha; Campbell, Oona MR; Gon, Giorgia picture_as_pdf

A randomised controlled trial of computer-assisted interviewing in sexual health clinics. (2010) Richens, John; Copas, Andrew; Sadiq, Syed Tariq; Kingori, Patricia; McCarthy, Ona; Jones, Victoria; Hay, Philip; Miles, Kevin; Gilson, Richard; Imrie, John; Pakianathan, Mark

Effect of a mobile phone-based intervention on post-abortion contraception: a randomized controlled trial in Cambodia. (2015) Smith, Chris; Ngo, Thoai D; Gold, Judy; Edwards, Phil; Vannak, Uk; Sokhey, Ly; Machiyama, Kazuyo; Slaymaker, Emma; Warnock, Ruby; McCarthy, Ona; Free, Caroline

Attitudes towards the regulation and provision of abortion among healthcare professionals in Britain: cross-sectional survey data from the SACHA Study. (2024) Wellings, Kaye; Scott, Rachel H; Sheldon, Sally; McCarthy, Ona; Palmer, Melissa J; Shawe, Jill; Meiksin, Rebecca; Lewandowska, Maria; Cameron, Sharon T; Reiter, Jennifer; French, Rebecca S; SACHA Study Team; SACHA study team

Conference or Workshop Item

The Sexunzipped Website for Sexual Wellbeing for Young People: Early Results of a Pilot Online RCT. (2011) Bailey, J; McCarthy, O; Carswell, K; Murray, E; Rait, G; Hart, G; Nazareth, I; Free, C; French, R; Stevenson, F

Developing the 'Sexunzipped' Website: Young People's Views on the Design and Content of an Online Sexual Health Intervention. (2011) McCarthy, O; Carswell, K; Free, C; Stevenson, F; Murray, E; Hart, G; French, R; Bailey, J

Thesis

Changing young people's attitudes towards effective contraception using mobile phone messaging. (2019) McCarthy, OL

Other

Correction to: A randomized controlled trial of an intervention delivered by mobile phone app instant messaging to increase the acceptability of effective contraception among young people in Tajikistan. (2018) McCarthy, O; Ahamed, I; Kulaeva, F; Tokhirov, R; Saibov, S; Vandewiele, M; Standaert, S; Leurent, B; Edwards, P; Palmer, M; Free, C