Table 2.
Unadjusted and Adjusted Odds ratios, 95% CI, and p Value for 24-hr Quit Attempt (N = 849)a
| Variable | Model 1 | Model 2 | Model 3 | |||
| OR (95% CI) | p Value | OR (95% CI) | p Value | OR (95% CI) | p Value | |
| Social history | ||||||
| Gender (referent: male) | 1.21 (0.91–1.61) | 0.19 | – | – | – | – |
| Age | 1.14 (1.01–1.29) | 0.04 | 1.13 (0.98–1.31) | 0.10 | – | – |
| Race (referent: Caucasian) | 0.78 (0.51–1.18) | 0.24 | – | – | – | – |
| Marital status (referent: in relationship) | 0.72 (0.54–0.95) | 0.02 | 0.71 (0.52–0.97) | 0.03 | 0.71 (0.52–0.96) | 0.03 |
| Education | 0.83 (0.69–0.99) | 0.05 | 0.78 (0.63–0.96) | 0.02 | 0.81 (0.66–0.99) | 0.04 |
| Living situation (referent: do not live with smoker) | 1.05 (0.79–1.38) | 0.76 | – | – | – | – |
| Home smoking policy | 0.99 (0.86–1.17) | 0.98 | – | – | – | – |
| Psychological factors | ||||||
| Stage of change | 1.94 (1.63–2.32) | <0.01 | 1.05 (0.78–1.41) | 0.77 | – | – |
| Contemplation Ladder-6 | 1.24 (1.18–1.30) | <0.01 | 1.17 (1.07–1.26) | <0.01 | 1.19 (1.13–1.25) | <0.01 |
| Temptation | 1.02 (1.00–1.05) | 0.05 | 1.01 (0.97–1.04) | 0.71 | – | – |
| Self-efficacy (single item) | 1.17 (1.11–1.23) | <0.01 | 1.11 (1.05–1.17) | <0.01 | 1.12 (1.07–1.18) | <0.01 |
| Partner support | 1.07 (1.04–1.09) | <0.01 | 1.01 (0.98–1.05) | 0.61 | – | – |
| Smoking/quitting history | ||||||
| FTNDb | 0.90 (0.85–0.96) | <0.01 | 0.92 (0.83–1.01) | 0.07 | – | – |
| Number of cigarettes smoked per day | 0.98 (0.96–1.00) | 0.01 | 1.00 (0.98–1.02) | 0.79 | – | – |
| Number of prior quit attempts | 1.24 (1.14–1.36) | <0.01 | 1.14 (1.02–1.27) | 0.02 | 1.14 (1.04–1.25) | 0.01 |
| Duration longest quit attempts | 1.09 (1.01–1.19) | 0.02 | 1.01 (0.91–1.12) | 0.84 | – | – |
Note. All significant p values are bolded.
a
Controlling for intervention group.
b
FTND = Fagerström Test for Nicotine Dependence.