Baseline characteristics of enrolled patients (n = 78)
| Variable | No. (%) of patients* |
|---|---|
| Sex, male | 46 (59.0) |
| Age, yr, mean ± SD | 50.2 ± 12.2 |
| Years smoking, mean ± SD | 28.5 ± 14.0 |
| Cigarettes per day, mean ± SD | 16.6 ± 10.5 |
| Minutes to first cigarette after waking, mean ± SD | 40.5 ± 85.8 |
| Ready to quit in next 30 days | 41 (52.3) |
SD = standard deviation.
↵* Unless indicated otherwise.