50% reduction in cigarette consumption: | Proactive telephone counselling | Controls | Adjusted p Value† | ||||
N | n | % | N | n | % | ||
Baseline to 4 months | 504 | 85 | 16.9 | 589 | 53 | 9.0 | 0.0002* |
4–7 months | 411 | 18 | 4.4 | 480 | 23 | 4.8 | 0.8 |
7–13 months | 378 | 18 | 4.8 | 430 | 24 | 5.6 | 0.4 |
Baseline to 13 months | 449 | 64 | 14.3 | 484 | 52 | 10.7 | 0.3 |
*p<0.05.
↵† Adjusted for baseline marital status and cigarettes smoked per day.