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Relative risk of smoking, stratified by intervention and group (A versus B) and times (T0 versus T1).
| Group and time | Non smokers (%) | Smokers (%) | RR | 95% CI |
|---|---|---|---|---|
| Bt0 | 52 (72.2) | 20 (27.8) | 1 | 0.8-2.1 |
| At0 | 50 (64.1) | 28 (35.9) | 1.29 | |
| Bt1 | 37 (65.0) | 20 (35.0) | 1 | 0.59-1.53 |
| At1 | 50 (66.7) | 25 (33.3) | 0.95 | |
| At0 | 50 (64.1) | 28 (35.9) | 1 | 0.66-1.44 |
| At1 | 50 (66.7) | 25 (33.3) | 0.93 | |
| Bt0 | 52 (72.2) | 20 (27.8) | 1 | 0.76-2.11 |
| Bt1 | 37 (65.0) | 20 (35.0) | 1.26 |
