Cropsey 2015.

Methods	Study design: Randomized controlled trial Setting: Community corrections facility, USA Recruitment: smokers under community corrections supervision
Participants	500 smokers; 33% women; av. age 37.4; av. cpd 17.9
Interventions	Therapist: Clincal psychologist 1. Control. Brief physician advice to set TQD 1 ‐ 2 wks after starting bupropion, stressed adherence 2. Intervention. As 1. plus 4 x 20 ‐ 30‐min counselling sessions; cognitive and behavioural strategies Pharmacotherapy: All participants received bupropion for 12 wks
Outcomes	Abstinence at 12 m (PP) Validation: CO ≤ 3 ppm at all visits
Notes	New for 2016 update Paper reports differential abstinence by race. Author confirmed quit rates in Fig 2, used to calculate numbers quit
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Randomized, blocked on race, no further details
Allocation concealment (selection bias)	Unclear risk	No details given
Blinding of outcome assessment (detection bias) All outcomes	Low risk	Biochemical validation of abstinence
Incomplete outcome data (attrition bias) All outcomes	Low risk	23% I, 26% C lost to follow‐up