Comparing the Efficacy of 2 WeChat Mini Programs in Reducing Nonmarital Heterosexual Contact by Male Factory Workers: Randomized Controlled Trial

Kechun Zhang   ^{1 *} , MSc ;   Bolin Cao   ^{2 *} , PhD ;   Yuan Fang   ^{3 *} , PhD ;   Xue Liang   ⁴ , MPhil ;   Danhua Ye   ⁴ , MPH ;   Ya Qi Chen   ¹ , MPH ;   Ruilan Zhong   ¹ , BSc ;   He Cao   ¹ , MSc ;   Tian Hu   ¹ , BSc ;   Ting Li   ² , BSc ;   Yong Cai   ⁵ , PhD ;   Huachun Zou   ⁶ , PhD ;   Zixin Wang   ⁴ , PhD

¹ Longhua District Center for Disease Control and Prevention, Shenzhen, China

² School of Media and Communication, Shenzhen University, Shenzhen, China

³ Department of Health and Physical Education, The Education University of Hong Kong, Hong Kong, China (Hong Kong)

⁴ Centre for Health Behaviours Research, The Jockey Club School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong, China (Hong Kong)

⁵ Public Health Department, Hongqiao International Institute of Medicine, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China

⁶ School of Public Health, Fudan University, Shanghai, China

*these authors contributed equally