Ona McCarthy BA MSc
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I am an epidemiologist in the Department of Population Health. I completed my BA at the University of Massachusetts (2001) where I studied Sociology and Psychology and MSc in Epidemiology at LSHTM (2005). I joined LSHTM in March of 2013.
I teach on the Basic Epidemiology and Design & Analysis of Epidemiological Studies MSc modules and on the Introductory Course in Epidemiology and Medical Statistics and Adolescent Health in Low and Middle Income Countries short courses. I am a personal tutor on the Reproductive and Sexual Health Research MSc.
My research interests include developing and evaluating interventions to improve sexual and reproductive health.
- Adolescent health
- Behaviour change
- Complex interventions
- Mixed methods
- Public health
- Randomised controlled trials
- Reproductive health
- Sexual health
Disease and Health Conditions
- Sexually transmitted infection
- Arab World
- Euro area
- Europe & Central Asia (developing only)
- Latin America & Caribbean (developing only)
- United Kingdom
- Behavioural Health Sciences
- Chlamydia Trachomatis
- Family Planning
- Occupied Palestinian Territories
- Population Studies Group
- Sexual and Reproductive Health
- young people
Simple steps to develop trial follow-up procedures.
McCarthy, O. ; French, R.S. ; Roberts, I. ; Free, C. ;
Trials, 2016; 17(1):28
Young People's Views and Experiences of a Mobile Phone Texting Intervention to Promote Safer Sex Behavior.
French, R.S. ; McCarthy, O. ; Baraitser, P. ; Wellings, K. ; Bailey, J.V. ; Free, C. ;
JMIR Mhealth Uhealth, 2016; 4(2):e26
Can text messages increase safer sex behaviours in young people? Intervention development and pilot randomised controlled trial.
Free, C. ; McCarthy, O. ; French, R.S. ; Wellings, K. ; Michie, S. ; Roberts, I. ; Devries, K. ; Rathod, S. ; Bailey, J. ; Syred, J. ; Edwards, P. ; Hart, G. ; Palmer, M. ; Baraitser, P. ;
Health Technol Assess, 2016; 20(57):1-82
Safetxt: a pilot randomised controlled trial of an intervention delivered by mobile phone to increase safer sex behaviours in young people.
McCarthy, O.L. ; French, R.S. ; Baraitser, P. ; Roberts, I. ; Rathod, S.D. ; Devries, K. ; Bailey, J.V. ; Edwards, P. ; Wellings, K. ; Michie, S. ; Free, C. ;
BMJ Open, 2016; 6(12):e013045
Effect of a mobile phone-based intervention on post-abortion contraception: a randomized controlled trial in Cambodia.
Smith, C. ; Ngo, T.D. ; Gold, J. ; Edwards, P. ; Vannak, U. ; Sokhey, L. ; Machiyama, K. ; Slaymaker, E. ; Warnock, R. ; McCarthy, O. ; Free, C. ;
Bull World Health Organ, 2015; 93(12):842-850A
The Sexunzipped trial: optimizing the design of online randomized controlled trials.
Bailey, J.V. ; Pavlou, M. ; Copas, A. ; McCarthy, O. ; Carswell, K. ; Rait, G. ; Hart, G. ; Nazareth, I. ; Free, C. ; French, R. ; Murray, E. ;
J Med Internet Res, 2013; 15(12):e278
What young people want from a sexual health website: design and development of sexunzipped.
McCarthy, O. ; Carswell, K. ; Murray, E. ; Free, C. ; Stevenson, F. ; Bailey, J.V. ;
J Med Internet Res, 2012; 14(5):e127
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