Table 4

 Effect of the interventions on point prevalence of smoking abstinence at 12 months (results of the mixed logistic regression model)

Total n (column-%)n abstinent (row-%)Crude OR (95% CI)Adjusted OR (95% CI)*
TI, training+incentive; TM, training+medication.
GP, general practitioner.
*Adjusted for baseline stage of change; 13 observations were excluded because of missing values in this variable.
†Reference category.
TI: training+financial incentive for GP
    Not abstinent214 (37)19 (9)1.00†1.00†
    Abstinent363 (63)37 (10)1.26 (0.65 to 2.43)1.13 (0.60 to 2.12)
p = 0.50p = 0.70
TM: training+cost-free drugs
    Not abstinent218 (38)7 (3)1.00†1.00†
    Abstinent359 (62)49 (14)4.77 (2.03 to 11.22)4.31 (1.87 to 9.93)
p<0.001p = 0.001
Intracluster correlation coefficient<0.042<0.015