Reid 2003.

Methods	Setting: Cardiac hospital, Canada Recruitment: Inpatients with myocardial infarction, coronary artery bypass graft, coronary angioplasty, coronary angiography, motivated to quit
Participants	254 current smokers (smoked in month before admission); av. age 54 yrs Providers: specialist nurse counsellors
Interventions	Intervention: Brief nurse counselling at bedside (5‐10 mins) + booklet . Nurse call at 4 wks; if smoking, offered 3 x 20 min in‐person counselling sessions (wks 4,8,12) and nicotine patch recommended for 8 wks. Nonsmokers reinforced and reminded about relapse prevention Control: Brief nurse counselling (5‐10 mins) + self‐help booklet (same in hospital as intervention group)
Outcomes	Abstinence at 12m (7‐day PP) Validation: Random sample of 25 self‐reported non‐smokers asked for CO validation; 91% validated, similar in both arms. Results not adjusted for this.
Notes	Classified as 4‐8 sessions, 31‐90 mins. Classified as low take‐up because only 26% scheduled to receive 4 week intervention due to continued smoking
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Low risk	Randomization stratified by diagnosis on admission, degree of nicotine dependence using random numbers table
Allocation concealment (selection bias)	Low risk	Concealed until after assessment and initial counselling
Incomplete outcome data (attrition bias) All outcomes	Low risk	19.5% I 9.5% C lost to follow‐up treated as smokers. 2 deaths included using last smoking status.