Written, personalised feedback plus standard intervention v standard intervention alone (control) for smoking cessation†
| Outcomes | Feedback | Control | RBI (95% CI) | NNT (CI) |
|---|---|---|---|---|
| †Abbreviations defined in glossary; RBI, NNT, and CI calculated from data in article. | ||||
| Initial cessation rate (6 wks) | 51% | 37% | 38% (1 to 91) | 8 (4 to 484) |
| Non-smoking at 3 months | 37% | 22% | 68% (8 to 164) | 7 (4 to 43) |
| Non-smoking at 6 months | 32% | 19% | 68% (4 to 177) | 8 (5 to 112) |
| Non-smoking at 12 months | 27% | 13% | 108% (16 to 278) | 8 (4 to 34) |
| Continuous non-smoking at 3 months | 36% | 21% | 71% (9 to 173) | 7 (4 to 41) |
| Continuous non-smoking at 12 months | 25% | 10% | 150% (30 to 391) | 7 (4 to 22) |









