HealthMpowerment Korea: Pilot Testing the Cultural Adaptation of a Digital HIV Intervention for Men Who Have Sex With Men in South Korea

Digital Health, HIV Infections, HIV Prevention and Care, Risk Reduction Behavior

south korea, msm, mobile app, social stigma

This study tests a mobile application (app) designed to support sexual health and prevent human immunodeficiency virus (HIV) among young men in South Korea. Researchers are interested to learn if the app is acceptable, easy to use, and helpful for young men who have sex with men (MSM). Participants will complete a 15-minute online survey at the start of the study and another 15-minute survey 3 months later. Participants will be randomly assigned to 1 of 2 study groups for 3 months: 1. Intervention Group: Participants receive access to the full mobile app, called Bandi. The app includes health articles, quizzes, community discussion forums, a personal sexual health log, and a clinic finder. 2. Control Group: Participants receive access to a basic version of the app that includes informational articles and the clinic finder only. Researchers will compare both groups over 3 months to see if using the full app leads to higher rates of HIV testing and lower sexual risk behaviors.

This pilot study evaluates Bandi, a culturally adapted digital HIV prevention intervention for young Korean men who have sex with men (MSM). Bandi is adapted from HealthMpowerment (HMP 2.0), an evidence-informed, status-neutral digital health platform designated by the U.S. Centers for Disease Control and Prevention (CDC) for HIV risk reduction. Guided by Barrera and Castro's heuristic model for cultural adaptation, the trial represents Phase 3 (preliminary adaptation testing) following preliminary information gathering and beta testing (N=10). Participants randomized to the full intervention arm receive 3-month access to the complete Bandi platform, consisting of five core integrated components: 1. Resource Center (Activities & Articles): Culturally tailored educational materials, pre-exposure prophylaxis (PrEP) and antiretroviral therapy (ART) adherence strategies, interactive quizzes, and skill-building activities. 2. Forums: Moderated online discussion forums and structured polls facilitating peer-to-peer support on topics including relationships, stigma, and sexual health. 3. Love Log: An interactive self-monitoring tool allowing users to log past sexual encounters, plan future encounters, track behavioral patterns, and evaluate risk. 4. Care Locator: A map database identifying local, culturally sensitive HIV and STI testing facilities. 5. Gamification: Engagement features including customizable avatars and accomplishment badges. The control arm receives access restricted to static health articles and the Care Locator component. The study is conducted remotely in South Korea through a partnership between the University of Pennsylvania and Ewha Womans University. Local recruitment and participant communication are managed by trained staff at Ewha Womans University in collaboration with community stakeholder collectives. In addition to self-reported web-based survey data (Qualtrics) collected at baseline and 3 months, application engagement will be continuously monitored via passively recorded paradata (e.g., module usage, login frequency, feature interactions). Statistical analyses will follow an intent-to-treat (ITT) approach. Chi-square/Fisher's Exact tests and Wilcoxon Two-Sample tests will evaluate preliminary differences between study arms regarding primary outcomes (routine HIV testing rates, reduction in condomless anal intercourse) and secondary outcomes (PrEP awareness/uptake, everyday discrimination, social support, depression, anxiety, and resilience).

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South Korea