Evaluating the Efficacy of the Drinks:Ration Mobile App to Reduce Alcohol Consumption in a Help-Seeking Military Veteran Population: Randomized Controlled Trial

Daniel Leightley   ^{1 *} , BSc, MSc, PhD ;   Charlotte Williamson   ^{1 *} , BSc, MSc ;   Roberto J Rona   ¹ , PhD ;   Ewan Carr   ² , PhD ;   James Shearer   ³ , PhD ;   Jordan P Davis   ⁴ , PhD ;   Amos Simms   ^{5, 6} , BSc, MSc ;   Nicola T Fear   ^{1, 5} , BSc, MSc, DPhil ;   Laura Goodwin   ^{7 *} , BSc, MSc, PhD ;   Dominic Murphy   ^{1, 8 *} , MA, PhD, DCM

¹ Institute of Psychiatry, Psychology & Neuroscience, King’s Centre for Military Health Research, King's College London, London, United Kingdom

² Department of Biostatistics and Health Informatics, King's College London, London, United Kingdom

³ King’s Health Economics, King's College London, London, United Kingdom

⁴ Suzanne Dworak-Peck School of Social Work, University of Southern California, Los Angeles, CA, United States

⁵ Academic Department of Military Mental Health, King's College London, London, United Kingdom

⁶ British Army, London, United Kingdom

⁷ Division of Health Research, Lancaster University, Lancaster, United Kingdom

⁸ Combat Stress, Leatherhead, United Kingdom

*these authors contributed equally