Pay-it-forward Gonorrhea and Chlamydia Testing Among Men in China

400 men who have sex with men (MSM) at 4 clinics will be enrolled. The standard pay-it-forward arm will include free point-of-care gonorrhea testing, as well as a passive community engagement component (such as viewing postcards and materials written by others encouraging gonorrhea/chlamydia testing).

400 MSM at 4 clinics will be enrolled. The community engaged pay-it-forward arm will include free point-of-care gonorrhea testing, as well as an active community engagement component (such as multi-stakeholder co-creation activities to develop essential components of the intervention and implementation strategies; writing postcards; designing fans with stickers; sending out testing promotion messages on social media; and opportunity to donate to support others)

400 MSM at 4 clinics will be enrolled. The control arm will include a fee-based point-of-care gonorrhea testing (approximately 20 U.S. Dollars (USD) per test) and no community engagement component