Social Media Support Groups for Adolescent Vaping Cessation

Inclusion Criteria: 1. English literacy 2. Age between 13-21 years (group participants) or 18+ (coaches, peer mentors) 3. Indicate they use social media "most" (\>= 4) days per week (group participants) 4. Have vaped at least once per week in the past 30 days (90 percent of participants) (group participants) 5. Access to a computer or mobile phone with photo capability to verify abstinence from vaping (group participants) 6. Indicate they are considering quitting or are interested in quitting with the next 6 months or within the next 30 days (group participants) 7. Currently reside in California, Minnesota, Oklahoma, or South Carolina Exclusion Criteria: 1. No English literacy 2. Age under 13 or over 21 (group participants) or under 18 (coaches, peer mentors) 3. Insufficient social media use (3 or fewer days per week) (group participants) 4. Have not vaped at least once per week in past 30 days (group participants) 5. No access to computer or mobile phone with photo capability to verify abstinence from vaping (group participants) 6. Not considering or interested in quitting vaping in the next 30 days or 6 months (group participants) 7. Not a resident of California, Minnesota, Oklahoma, or South Carolina