Table 2.

Logistic regression models of abstinence at end of treatment and 6-month follow-up

VariableEnd of treatment
6-month follow-up
OR (95% CI)POR (95% CI)P
Age (y)1.00 (0.98-1.02)0.9241.01 (0.99-1.03)0.398
Sex0.73 (0.47-1.12)0.1540.78 (0.46-1.31)0.347
Nicotine dependence0.93 (0.84-1.02)0.1380.90 (0.80-1.01)0.070
Treatment0.97 (0.45-2.12)0.9480.84 (0.30-2.39)0.751
Genotype
    LL1.001.00
    SL1.26 (0.63-2.50)0.5091.74 (0.71-4.25)0.226
    SS1.17 (0.46-2.96)0.7412.37 (0.78-7.21)0.128
Genotype* × treatment
    LL1.001.00
    SL0.73 (0.28-1.93)0.5280.92 (0.27-3.15)0.891
    SS0.66 (0.18-2.47)0.5350.50 (0.10-2.47)0.398
  • Abbreviations: OR, odds ratio; 95% CI, 95% confidence interval.

  • * Reference group is LL.