Kim 2015.

Methods	Study design: Randomized controlled trial Setting: Korean community, USA Recruitment: Korean smokers wanting to quit
Participants	109 Korean smokers; 16% women, av. age 50, av. cpd 17
Interventions	Therapist: 1 of 2 Korean bilingual clinicians 1. Culturally‐tailored counselling; 8 x 40‐min weekly sessions, TQD between 2nd and 4th 2. Minimal counselling; 8 x 10‐min weekly sessions focusing on medication management Pharmacotherapy: all participants received 8‐week supply of nicotine patch
Outcomes	Abstinence at 6 m Validation: cotinine (Nicalert 1 < 10 ‐ 30 ng/ml), CO < 6 ppm
Notes	New for 2016 update Contributes to comparison 2.1.2 more intensive vs less intensive counselling with pharmacotherapy Kim 2012 assumed to report a subset of these participants but unable to confirm with author
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Low risk	Computer‐generated, stratified by gender
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	24% (13/55) I, 31% (17/54) C lost, included as smokers in analyses