Table 3 Analysis of the primary outcome of continuous abstinence at 12 months

OR (95% confidence interval)

p-value

OR (95% confidence interval)

p-value

Unadjusted OR

1.54 (0.73, 3.29)

0.259

1.58 (0.53, 4.70)

0.414

Adjusted OR^a

1.54 (0.80, 2.99)

0.196

1.58 (0.45, 5.58)

0.480

Adjusted OR^b

1.62 (0.65, 4.04)

0.297

1.86 (0.49, 7.07)

0.364

Adjusted OR^c

1.60 (0.65, 3.87)

0.306

1.60 (0.43, 5.90)

0.483

Adjusted OR^d

1.37 (0.67, 2.80)

0.393

1.34 (0.47, 3.85)

0.589