Evidence table
| Intervention element | Data source | Increase in % of smokers abstinent for 6 months or longer |
|---|---|---|
| Very brief advice to stop (3 min) by clinician versus no advice | AHCPR15 | 2 |
| Brief advice to stop (up to 10 min) by clinician versus no advice | AHCPR15 | 3 |
| Adding NRT to brief advice versus brief advice alone or brief advice plus placebo | Cochrane5 | 6 |
| Intensive support (e.g. smokers’ clinic) versus no intervention | AHCPR15 | 8 |
| Intensive support plus NRT versus intensive support or intensive support plus placebo | Cochrane5 | 8 |
| Cessation advice and support for hospital patients versus no support | AHCPR15 | 5 |
| Cessation advice and support for pregnant smokers versus usual care or no intervention | AHCPR15 | 7 |
Note: The given cessation rates are for the individual elements. The additive nature of some of these increases in abstinence rates is explained in the text.