Table 1.
Hazard Ratios and CIs for Demographic Variables, Smoking Use Variables, and Nicotine Dependence Measures Predicting Time to First Lapse
| Predictor variable | Hazard ratio | CI |
| Age | 1.004 | (0.974–1.035) |
| Sex | 0.649 | (0.345–1.220) |
| Race | X2 = .966 | |
| Income | 0.980 | (0.785–1.225) |
| Education level | 0.954 | (0.564–1.614) |
| Cigarettes per day | 1.069* | (1.002–1.140) |
| Carbon monoxide | 1.016 | (0.979–1.054) |
| Years of daily smoking | 1.018 | (0.987–1.050) |
| Age first puff | 0.989 | (0.895–1.093) |
| FTND | 1.188* | (1.016–1.390) |
| Time to first cigarette | 6.974** | (1.670–29.119) |
| NDSS | 1.004 | (0.975–1.035) |
| WISDM | 1.013 | (0.991–1.035) |
| Craving on Day 1 of abstinence | 1.016* | (1.004–1.029) |
| Withdrawal on Day 1 of abstinence | 1.015* | (1.000–1.030) |
Note. FTND = Fagerström Test for Nicotine Dependence; NDSS = Nicotine dependence syndrome scale; WISDM = Wisconsin inventory of smoking dependence motives.
*p < .05. **p < .01.