Data Collection
WeChat-based, sexual behavior, ’
RECRUITMENT, RECRUITMENT
Egos’ demographic characteristics, socioeconomic status, and MSM-related information were collected face-to-face through well-trained surveyors in Lingnan using an electronic standardized questionnaire.Alters’ demographic characteristics, socioeconomic status, MSM-related information, HIV/STI testing information, high-risk sexual behavior, and HIV-related information were collected online using an electronic standardized questionnaire.Recruitment outcomes, egos’ and alters’ HIV e-report online delivery information, and alters’ social network data were obtained from participant recruitment logs and data recorded through the WeChat-based data portal.