Nursing intervention v usual care for smoking cessation at longest follow up (≥6 mo)*
| Outcome | Nursing advice | Usual care | RBI (95% CI) | NNT (CI) |
|---|---|---|---|---|
| *Based on a random effects model. Abbreviations defined in glossary; RBI, NNT, and CI calculated from data in article. | ||||
| Smoking cessation | 15.7% | 12.5% | 28% (2 to 61) | 32 (17 to 250) |








