The quit attempt rate and the annual cessation rate, 2003 and 2010–2011, USA
| 2003 | 2010–2011 | |
|---|---|---|
| N=34 869 | N=27 751 | |
| All smokers | % (95% CI) | % (95% CI) |
| Quit attempt (≥24 h) | 40.5 (39.8 to 41.2) | 41.4 (40.6 to 42.2) |
| Annual cessation rate (≥3 months) | 4.5 (4.2 to 4.8) | 4.7 (4.4 to 5.0) |
| N=28 379 | N=22 355 | |
| Daily smokers | % (95% CI) | % (95% CI) |
| Quit attempt (≥24 h) | 37.0 (36.2 to 37.7) | 37.5 (36.7 to 38.3) |
| Annual cessation rate (≥3 months) | 4.2 (3.9 to 4.5) | 4.0 (3.7 to 4.3) |
Data source: Current Population Surveys—Tobacco Use Supplements 2003 and 2010–2011.