Methods |
CCT to compare two conditions. Group allocation according to day of entry in study. Assessments on two occasions: baseline and 6 months. |
Participants |
200 patients (aged 16‐65) who smoked recruited from 4 GPs in one practice. Therapists: three GPs. |
Interventions |
T (n:100) = smoking cessation counselling (use of 1 wk diary of smoking habits and self‐help manual, information on effects of smoking, strategy for maintaining abstinent, discussing alternatives, withdrawal symptoms, weight management, risks of smoking, benefits of abstinence, problems encountered), 6 sessions (duration?) in 6 months.
C (n:100) = usual care and use of 1 wk diary of smoking habits, 2 sessions (duration?) in 6 months.
Training or supervision of therapists unknown. |
Outcomes |
6 month follow‐up: abstinence T=33/100, C=3/100 |
Notes |
non‐compliance:
T=25/100, C=23/100.
withdrawal (non‐compliers analysed as smokers): T=25/100, C=23/100.
no integrity check. |
Risk of bias |
Bias |
Authors' judgement |
Support for judgement |
Allocation concealment? |
Unclear risk |
D ‐ Not used |