Adler, AJ; Casas, JP; Martin, N; Free, C; Perel, P; (2018) Cochrane corner: text messaging to improve adherence to drugs for secondary prevention of cardiovascular disease. Heart (British Cardiac Society). ISSN 1355-6037 DOI: https://doi.org/10.1136/heartjnl-2017-312888 Full text not available from this repository.

Barnard, S; Free, C; Bakolis, I; Turner, KME; Looker, KJ; Baraitser, P; (2018) Comparing the characteristics of users of an online service for STI self-sampling with clinic service users: a cross-sectional analysis. Sexually transmitted infections. ISSN 1368-4973 DOI: https://doi.org/10.1136/sextrans-2017-053302

McCarthy, O; Ahamed, I; Kulaeva, F; Tokhirov, R; Saibov, S; Vandewiele, M; Standaert, S; Leurent, B; Edwards, P; Palmer, M; +1 more... Free, C; (2018) 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. Reproductive health, 15 (1). p. 28. ISSN 1742-4755 DOI: https://doi.org/10.1186/s12978-018-0473-z

McCarthy, O; Ahamed, I; Kulaeva, F; Tokhirov, R; Saibov, S; Vandewiele, M; Standaert, S; Leurent, B; Edwards, P; Palmer, M; +1 more... Free, C; (2018) 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. BMC. DOI: https://doi.org/10.1186/s12978-018-0496-5

McCarthy, OL; Wazwaz, O; Osorio Calderon, V; Jado, I; Saibov, S; Stavridis, A; López Gallardo, J; Tokhirov, R; Adada, S; Huaynoca, S; +4 more... Makleff, S; Vandewiele, M; Standaert, S; Free, C; (2018) Development of an intervention delivered by mobile phone aimed at decreasing unintended pregnancy among young people in three lower middle income countries. BMC public health, 18 (1). p. 576. ISSN 1471-2458 DOI: https://doi.org/10.1186/s12889-018-5477-7

Palmer, M; Sutherland, J; Barnard, S; Wynne, A; Rezel, E; Doel, A; Grigsby-Duffy, L; Edwards, S; Russell, S; Hotopf, E; +2 more... Perel, P; Free, C; (2018) The effectiveness of smoking cessation, physical activity/diet and alcohol reduction interventions delivered by mobile phones for the prevention of non-communicable diseases: A systematic review of randomised controlled trials. PloS one, 13 (1). e0189801. ISSN 1932-6203 DOI: https://doi.org/10.1371/journal.pone.0189801

Palmer, MJ; Barnard, S; Perel, P; Free, C; (2018) Mobile phone-based interventions for improving adherence to medication prescribed for the primary prevention of cardiovascular disease in adults. The Cochrane database of systematic reviews, 6. CD012675. ISSN 1469-493X DOI: https://doi.org/10.1002/14651858.CD012675.pub2

Smith, C; Edwards, P; Free, C; (2018) Assessing the validity and reliability of self-report data on contraception use in the MObile Technology for Improved Family Planning (MOTIF) randomised controlled trial. Reproductive health, 15 (1). p. 50. ISSN 1742-4755 DOI: https://doi.org/10.1186/s12978-018-0494-7

Turner, KM; Zienkiewicz, AK; Syred, J; Looker, KJ; de Sa, J; Brady, M; Free, C; Holdsworth, G; Baraitser, P; (2018) Web-Based Activity Within a Sexual Health Economy: Observational Study. Journal of medical Internet research, 20 (3). e74. ISSN 1439-4456 DOI: https://doi.org/10.2196/jmir.8101

Adler, AJ; Martin, N; Mariani, J; Tajer, CD; Owolabi, OO; Free, C; Serrano, NC; Casas, JP; Perel, P; (2017) Mobile phone text messaging to improve medication adherence in secondary prevention of cardiovascular disease. The Cochrane database of systematic reviews, 4. CD011851. ISSN 1469-493X DOI: https://doi.org/10.1002/14651858.CD011851.pub2

McCarthy, O; Leurent, B; Edwards, P; Tokhirov, R; Free, C; (2017) 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. BMJ open, 7 (9). e017606. ISSN 2044-6055 DOI: https://doi.org/10.1136/bmjopen-2017-017606

McCarthy, OL; Osorio Calderon, V; Makleff, S; Huaynoca, S; Leurent, B; Edwards, P; Lopez Gallardo, J; Free, C; (2017) 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. JMIR research protocols, 6 (12). e252. ISSN 1929-0748 DOI: https://doi.org/10.2196/resprot.8679

McCarthy, OL; Wazwaz, O; Jado, I; Leurent, B; Edwards, P; Adada, S; Stavridis, A; Free, C; (2017) 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. Trials, 18 (1). p. 454. ISSN 1745-6215 DOI: https://doi.org/10.1186/s13063-017-2191-1

Smith, C; Jarvis, C; Free, C; (2017) Assessing loss to follow-up in the MObile Technology for Improved Family Planning (MOTIF) randomised controlled trial. Trials, 18 (1). p. 577. ISSN 1745-6215 DOI: https://doi.org/10.1186/s13063-017-2316-6

Smith, C; Ly, S; Uk, V; Warnock, R; Edwards, P; Free, C; (2017) Process evaluation of a mobile phone-based intervention to support post-abortion contraception in Cambodia. Contracept Reprod Med, 2. p. 16. ISSN 2055-7426 DOI: https://doi.org/10.1186/s40834-017-0043-8

Smith, C; Ly, S; Uk, V; Warnock, R; Free, C; (2017) Women's views and experiences of a mobile phone-based intervention to support post-abortion contraception in Cambodia. Reproductive health, 14 (1). p. 72. ISSN 1742-4755 DOI: https://doi.org/10.1186/s12978-017-0329-y

Wellings, K; Mehl, GL; Free, CJ; (2017) eSexual health interventions: promising, but more evidence needed. The lancet Public health, 2 (4). e162-e163. ISSN 2468-2667 DOI: https://doi.org/10.1016/S2468-2667(17)30051-8

Wilson, E; Free, C; Morris, TP; Syred, J; Ahamed, I; Menon-Johansson, AS; Palmer, MJ; Barnard, S; Rezel, E; Baraitser, P; (2017) Internet-accessed sexually transmitted infection (e-STI) testing and results service: A randomised, single-blind, controlled trial. PLoS medicine, 14 (12). e1002479. ISSN 1549-1277 DOI: https://doi.org/10.1371/journal.pmed.1002479

Burns, K; Keating, P; Free, C; (2016) A systematic review of randomised control trials of sexual health interventions delivered by mobile technologies. BMC public health, 16 (1). p. 778. ISSN 1471-2458 DOI: https://doi.org/10.1186/s12889-016-3408-z

Free, C; McCarthy, O; French, RS; Wellings, K; Michie, S; Roberts, I; Devries, K; Rathod, S; Bailey, J; Syred, J; +4 more... Edwards, P; Hart, G; Palmer, M; Baraitser, P; (2016) Can text messages increase safer sex behaviours in young people? Intervention development and pilot randomised controlled trial. Health technology assessment (Winchester, England), 20 (57). pp. 1-82. ISSN 1366-5278 DOI: https://doi.org/10.3310/hta20570

Herrett, E; Williamson, E; van Staa, T; Ranopa, M; Free, C; Chadborn, T; Goldacre, B; Smeeth, L; (2016) Text messaging reminders for influenza vaccine in primary care: a cluster randomised controlled trial (TXT4FLUJAB). BMJ open, 6 (2). e010069. ISSN 2044-6055 DOI: https://doi.org/10.1136/bmjopen-2015-010069

McCarthy, OL; French, RS; Baraitser, P; Roberts, I; Rathod, SD; Devries, K; Bailey, JV; Edwards, P; Wellings, K; Michie, S; +1 more... Free, C; (2016) Safetxt: a pilot randomised controlled trial of an intervention delivered by mobile phone to increase safer sex behaviours in young people. BMJ open, 6 (12). e013045. ISSN 2044-6055 DOI: https://doi.org/10.1136/bmjopen-2016-013045

Smith, C; Vannak, U; Sokhey, L; Ngo, TD; Gold, J; Free, C; (2016) Mobile Technology for Improved Family Planning (MOTIF): the development of a mobile phone-based (mHealth) intervention to support post-abortion family planning (PAFP) in Cambodia. Reproductive health, 13 (1). p. 1. ISSN 1742-4755 DOI: https://doi.org/10.1186/s12978-015-0112-x

Wilson, E; Free, C; Morris, TP; Kenward, MG; Syred, J; Baraitser, P; (2016) Can Internet-Based Sexual Health Services Increase Diagnoses of Sexually Transmitted Infections (STI)? Protocol for a Randomized Evaluation of an Internet-Based STI Testing and Results Service. JMIR research protocols, 5 (1). e9. ISSN 1929-0748 DOI: https://doi.org/10.2196/resprot.4094

Wilson, E; Free, C; Morris, TP; Syred, J; Baraitser, P; (2016) Addendum to: Can Internet-Based Sexual Health Services Increase Diagnoses of Sexually Transmitted Infections (STI)? Protocol for a Randomized Evaluation of an Internet-Based STI Testing and Results Service. JMIR research protocols, 5 (3). e141. ISSN 1929-0748 DOI: https://doi.org/10.1371/journal.pmed.1002479

Ybarra, ML; Jiang, Y; Free, C; Abroms, LC; Whittaker, R; (2016) Participant-level meta-analysis of mobile phone-based interventions for smoking cessation across different countries. Preventive medicine, 89. pp. 90-7. ISSN 0091-7435 DOI: https://doi.org/10.1016/j.ypmed.2016.05.002 Full text not available from this repository.

Baraitser, P; Syred, J; Spencer-Hughes, V; Howroyd, C; Free, C; Holdsworth, G; (2015) How online sexual health services could work; generating theory to support development. BMC health services research, 15. p. 8. ISSN 1472-6963 DOI: https://doi.org/10.1186/s12913-015-1200-x

Smith, C; Gold, J; Ngo, T; Sumpter, C; Free, C; (2015) Mobile phone-based interventions for improving contraception use (Review). The Cochrane database of systematic reviews (6). ISSN 1469-493X DOI: https://doi.org/10.1002/14651858.CD011159

Smith, C; Gold, J; Ngo, TD; Sumpter, C; Free, C; (2015) Mobile phone-based interventions for improving contraception use. The Cochrane database of systematic reviews, 6. CD011159. ISSN 1469-493X DOI: https://doi.org/10.1002/14651858.CD011159.pub2

Smith, C; Ngo, TD; Gold, J; Edwards, P; Vannak, U; Sokhey, L; Machiyama, K; Slaymaker, E; Warnock, R; McCarthy, O; +1 more... Free, C; (2015) Effect of a mobile phone-based intervention on post-abortion contraception: a randomized controlled trial in Cambodia. Bulletin of the World Health Organization, 93 (12). 842-850A. ISSN 0042-9686 DOI: https://doi.org/10.2471/BLT.15.160267

Galli, L; Knight, R; Robertson, S; Hoile, E; Oladapo, O; Francis, D; Free, C; (2014) Using marketing theory to inform strategies for recruitment: a recruitment optimisation model and the txt2stop experience. Trials, 15 (1). p. 182. ISSN 1745-6215 DOI: https://doi.org/10.1186/1745-6215-15-182

Herrett, E; van Staa, T; Free, C; Smeeth, L; (2014) Text messaging reminders for influenza vaccine in primary care: protocol for a cluster randomised controlled trial (TXT4FLUJAB). BMJ open, 4 (5). e004633. ISSN 2044-6055 DOI: https://doi.org/10.1136/bmjopen-2013-004633

Ngo, TD; Free, C; Le, HT; Edwards, P; Pham, KH; Nguyen, YB; Nguyen, TH; (2014) Women's perspectives on termination service delivery in Vietnam: a cross-sectional survey in three provinces. International journal of women's health, 6. pp. 927-33. ISSN 1179-1411 DOI: https://doi.org/10.2147/IJWH.S72343

Ngo, TD; Free, C; Le, HT; Edwards, P; Pham, KH; Nguyen, YB; Nguyen, TH; (2014) Attributes and perspectives of public providers related to provision of medical abortion at public health facilities in Vietnam: a cross-sectional study in three provinces. International journal of women's health, 6. pp. 789-97. ISSN 1179-1411 DOI: https://doi.org/10.2147/IJWH.S63261

Ngo, TD; Free, C; Le, HT; Edwards, P; Pham, KH; Nguyen, YB; Nguyen, TH; (2014) Service users' attributes associated with the uptake of medical versus surgical abortion at public health facilities in Vietnam. International journal of gynaecology and obstetrics, 125 (3). pp. 247-52. ISSN 0020-7292 DOI: https://doi.org/10.1016/j.ijgo.2013.11.015 Full text not available from this repository.

Smith, C; Gold, J; Ngo, T; Sumpter, C; Free, C; (2014) Mobile phone-based interventions for improving contraception use (Protocol). The Cochrane database of systematic reviews. ISSN 1469-493X DOI: https://doi.org/10.1002/14651858.CD011159 Full text not available from this repository.

Smith, C; Ngo, TD; Edwards, P; Free, C; (2014) MObile Technology for Improved Family Planning: update to randomised controlled trial protocol. Trials, 15 (1). p. 440. ISSN 1745-6215 DOI: https://doi.org/10.1186/1745-6215-15-440

Ngo, TD; Free, C; Le, HT; Edwards, P; Pham, KH; Nguyen, YB; Nguyen, TH; (2013) Knowledge and provision practices regarding medical abortion among public providers in Hanoi, Khanh Hoa, and Ho Chi Minh City, Vietnam. International journal of gynaecology and obstetrics, 124 (3). pp. 216-21. ISSN 0020-7292 DOI: https://doi.org/10.1016/j.ijgo.2013.08.015 Full text not available from this repository.

Ngo, TD; Park, MH; Free, C; (2013) Safety and effectiveness of termination services performed by doctors versus midlevel providers: a systematic review and analysis. International journal of women's health, 5. pp. 9-17. ISSN 1179-1411 DOI: https://doi.org/10.2147/IJWH.S39627

Michie, S; Free, C; West, R; (2012) Characterising the ‘Txt2Stop’ Smoking Cessation Text Messaging Intervention in Terms of Behaviour Change Techniques. Journal of Smoking Cessation, 7 (1). pp. 55-60. ISSN 1834-2612 DOI: https://doi.org/10.1017/jsc.2012.12

Bailey, J; McCarthy, O; Carswell, K; Murray, E; Rait, G; Hart, G; Nazareth, I; Free, C; French, R; Stevenson, F; (2011) The Sexunzipped Website for Sexual Wellbeing for Young People: Early Results of a Pilot Online RCT. [Conference or Workshop Item] http://researchonline.lshtm.ac.uk/id/eprint/562 Full text not available from this repository.

McCarthy, O; Carswell, K; Free, C; Stevenson, F; Murray, E; Hart, G; French, R; Bailey, J; (2011) Developing the 'Sexunzipped' Website: Young People's Views on the Design and Content of an Online Sexual Health Intervention. [Conference or Workshop Item] http://researchonline.lshtm.ac.uk/id/eprint/563 Full text not available from this repository.

Free, C; Phillips, G; Felix, L; Galli, L; Patel, V; Edwards, P; (2010) The effectiveness of M-health technologies for improving health and health services: a systematic review protocol. BMC Res Notes, 3. p. 250. ISSN 1756-0500 DOI: https://doi.org/10.1186/1756-0500-3-250

Kim, CR; Free, C; (2008) Recent evaluations of the peer-led approach in adolescent sexual health education: a systematic review. International family planning perspectives, 34 (2). pp. 89-96. ISSN 0190-3187 DOI: https://doi.org/10.1363/ifpp.34.0089.08 Full text not available from this repository.

Free, C; Ogden, J; Lee, R; (2001) Emergency contraception use in young women: differences between users and non users. [Conference or Workshop Item] http://researchonline.lshtm.ac.uk/id/eprint/14376 Full text not available from this repository.