An Online Intervention Promoting HPV Vaccination Among Chinese MSM

"1. Viewing a video promoting Human Papillomavirus (HPV) vaccination: participants will watch a 5-minute online video promoting MSM's uptake of HPV vaccination. In the video, a peer MSM discussed about the risk of contracting HPV and having anal cancers among MSM, severe consequences of HPV-related diseases, as well as the benefits of HPV vaccination. He also demonstrated the procedures of taking up HPV vaccination in the collaborative private clinics, which portrayed caring, privacy guaranteed, and non-judgmental environment.~2. Receiving the discount coupons: each participant will be given a discount coupon. By using the coupon, one can enjoy a 10% discount for taking up three doses of HPV vaccines at a collaborating private clinic.~3. Visiting the project webpage: Participants can assess the project webpage by scanning the QR code on the discount coupon.~4. Follow-up reminders: participants received five reminders at Month 1, 2, 4, 6, \& 8."