Table 2

26-Week smoking abstinence

6-Month abstinence measurePO group, n/N (%)Cost-free group, n/N (%)OR (95% CI)p ValueAdjusted OR (95% CI)*p Value*
Continuous abstinence2/13 (15.4)5/15 (33.3)2.75 (0.43 to 17.5)0.265.51 (0.44 to 69.3)0.19
7-Day point prevalence abstinence3/13 (23.1)5/15 (33.3)1.67 (0.31 to 8.9)0.432.25 (0.25 to 20.4)0.47
Biochemically validated 7-day point prevalence abstinence2/13 (15.4)4/15 (26.6)2.00 (0.33 to 13.3)0.405.95 (0.40 to 88.7)0.20
  • * Adjusted for number of cigarettes smoked per day and self-efficacy.

  • CF, cost-free pharmacotherapy; PO, prescription only.