Smoking cessation intervention v usual care at 12 monthsâ€
| Outcome | Smoking cessation intervention | Usual care | RRI (95% CI) | NNT (CI) |
|---|---|---|---|---|
| †Abbreviations defined in glossary; RRI, CI, and NNT calculated from data in article. | ||||
| Abstinence | 13.5% | 9.2% | 47% (5.3 to 105) | 23 (12 to 174) |