Table 3 Smoking abstinence by group and cigarette consumption
From: Combining varenicline and nicotine patches: a randomized controlled trial study in smoking cessation
Group | Smokers ≤29 cigarettes/day | Smokers > 29 cigarettes/day | ||||
|---|---|---|---|---|---|---|
Continuous abstinence | Abstainers/N (%) | Crude OR (95% CI) | ORa(95% CI) | Abstainers/N (%) | Crude OR (95% CI) | ORa(95% CI) |
Weeks 2 to 8 | ||||||
Varenicline + nicotine patch | 38/78 (48.7%) | 1.05 (0.7 to 1.4) | 1.0 (0.5 to 1.3) | 34/92 (36.9%) | 1.13 (0.7 to 1.6) | 1.07 (0.6 to 1.8) |
Varenicline + placebo | 39/84 (46.4%) | 1 | 1 | 29/87 (33.3%) | 1 | 1 |
Weeks 2 to 12 | ||||||
Varenicline + nicotine patch | 35/78 (43.6%) | 1.14 (0.7 to 1.6) | 1.0 (0.5 to 1.8) | 31/92 (34.8%) | 1.44 (0.9 to 2.3) | 1.39 (1.2 to 2.5) |
Varenicline + placebo | 33/84 (39.2%) | 1 | 1 | 21/87 (24.1%) | 1 | 1 |
Weeks 2 to 24 | ||||||
Varenicline + nicotine patch | 27/78 (34.6%) | 0.99 (0.6 to 1.5) | 1.0 (0.7 to 1.6) | 29/92 (31.5%) | 1.52 (1.0 to 2.5) | 1.46 (1.2 to 2.8) |
Varenicline + placebo | 30/84 (35.7%) | 1 | 1 | 18/87 (20.6%) | 1 | 1 |