Analysis of non-smoking rates by measurement time without adjustment for repeated measurements
| Measurement time | Buproprion non-smoker N (% of 88) | Placebo non-smoker N (% of 46) | Risk difference expressed as proportion × 100 (95% CI) | Relative risk(95% CI) |
|---|---|---|---|---|
| 3 days | 71 (80.7) | 37 (80.4) | 0.25 (−13.9 to 14.4) | 1.00 (0.84 to 1.20) |
| 3 weeks | 62 (70.5) | 22 (47.8) | 22.6 (5.3 to 40.0) | 1.47 (1.06 to 2.05) |
| 7 weeks | 48 (54.6) | 18 (39.1) | 15.4 (−2.0 to 32.9) | 1.39 (0.93 to 2.10) |
| 13 weeks | 39 (44.3) | 8 (17.4) | 26.9 (11.8 to 42.0) | 2.54 (1.30 to 5.00) |
| 26 weeks | 26 (29.6) | 5 (10.9) | 18.7 (5.6 to 31.8) | 2.72 (1.12 to 6.61) |
| 39 weeks | 24 (27.3) | 5 (10.9) | 16.4 (3.5 to 29.3) | 2.51 (1.03 to 6.14) |
| 52 weeks | 19 (21.6) | 5 (10.9) | 10.7 (−1.7 to 23.2) | 1.99 (0.79 to 5.00) |