Effectiveness of a Peer-Led Web-Based Intervention to Improve General Self-Efficacy in Using Dating Apps Among Young Adults: Randomized Clustered Trial

William CW Wong   ^{1, 2} , MD, MB ChB ;   Wai Han Sun   ³ , MPhil, MSSc, BSocSci ;   Shu Ming Cheryl Chia   ² , MSc ;   Joseph D Tucker   ^{4, 5} , MD, DPhil ;   William PH Mak   ⁶ , MSc ;   Lin Song   ⁷ , DPhil ;   Kitty Wai Ying Choi   ³ , BSocSC ;   Stephanie Tsz Hei Lau   ² , MPH ;   Eric Yuk Fai Wan   ^{2, 8} , DPhil

¹ Department of General Practice, University of Hong Kong-Shenzhen Hospital, Shenzhen, China

² Department of Family Medicine and Primary Care, University of Hong Kong, Hong Kong, China

³ Sticky Rice Love Ltd., Hong Kong, China

⁴ University of North Carolina at Chapel Hill - Project China, Guangzhou, China

⁵ London School of Hygiene and Tropical Medicine, London, United Kingdom

⁶ Vocational Training Council, Hong Kong, China

⁷ Department of Communication, Faculty of Social Sciences, University of Macau, Macau, Macao

⁸ Department of Pharmacology and Pharmacy, University of Hong Kong, Hong Kong, China