Outcomes
Regarding the primary outcome, biochemical continuous abstinence at 6 months was verified for 25 of 360 participants (6.9%) in the intervention group and 11 of 362 participants (3.0%) in the control group (OR, 2.38; 95% CI, 1.15-4.92; adjusted OR [AOR], 2.66; 95% CI, 1.21-5.83) (