Quitting tobacco
Summary of effectiveness data for smoking cessation interventions (abstinence at least six months) based on all latest Cochrane Review
| Intervention (source) | Quit rate (%) | Comparator | Odds ratio (95% confidence interval) | Increased chances of quitting successfully |
| Self-help interventions | No intervention | 1.24(1.07-1.45) | 24% | |
| Physician advice | Brief advice vs. no advice | 1.66(1.42-1.94) | 66% | |
| Intensive advice vs. no advice | 1.84(1.60-2.13) | 84% | ||
| Intensive vs. minimal | 1.37(1.20 to 1.56) | 37% | ||
| Nursing intervention | Usual care | 1.28(1.18 to 1.38) | 28% | |
| Individual behavioural counselling | Minimal behavioural intervention | 1.39(1.24 to 1.57) | 39% | |
| Group behaviour therapy | Self-help programme | 1.98(1.60-2.46) | 98% | |
| Telephone counselling | Without telephone counselling | 1.41(1.27-1.57) | 41% | |
| Less intensive vs. no | 1.33(1.21-1.47) | 33% | ||
| Quit and Win contests | 8-20% | Baseline community rate | ||
| Nicotine replacement therapy (NRT) | Placebo or non-NRT | 1.58(1.50-1.66) | 58% | |
| Bupropion | Placebo | 1.94(1.72 to 2.19) | 94% | |
| Varenicline | Placebo | 2.33 (1.95 to 2.80) | 133% | |
| Clonidine | Placebo | 1.63 (1.22 to 2.18) | 63% | |
| Nortriptyline | Placebo | 2.34(1.61 to 3.41) | 134% | |
| Healthcare financing systems | Directed at smokers vs. no | 4.38 (1.94 to 9.87) | 338% | |
| Directed at providers vs. no | 1.33(1.01 to 1.77) | 33% | ||
http://www.who.int/tobacco/quitting/summary_data/en/
