Kim 2017.

Study name	Harnessing Facebook for smoking reduction and cessation interventions: Facebook user engagement and social support predict smoking reduction
Methods	RCT
Participants	Smokers between 18‐65 years of age and living in the USA.
Interventions	Intervention: participants were encouraged to share their thoughts and progress and support their peers on Facebook. A professional clinical expert joined the group to provide guidance and anti‐smoking materials were posted by the research team. Intervention: MTurk‐only condition not described. Control: email only.
Outcomes	Main: self‐reported smoking reduction. Secondary: anti‐smoking attitudes, readiness to quit, motivation to quit, self‐efficacy, perceived social support.
Starting date	November 2015
Contact information	Sunny Jung Kim Phone: 1‐603‐646‐7041 Email: sunny.j.kim@dartmouth.edu
Notes	Published paper currently only reports outcomes for the Facebook group. We contacted the authors who said that a paper reporting outcomes for all groups was being submitted.