| Variable | OR (95% CI) |
|---|---|
| Sex | |
| Male | 1.00 |
| Female | 0.85 (0.74-0.97) |
| COPD | |
| No | 1.00 |
| Yes | 1.76 (1.4-2.2) |
| No. of years smoking | |
| < 5 | 1.00 |
| 5-15 | 1.54 (1.19-2.11) |
| > 15 | 1.12 (0.93-1.36) |
| Cessation self-efficacy score‡ | |
| < 7 | 1.00 |
| ≥ 7 | 3.58 (3.13-4.10) |
Note: CI = confidence interval, COPD = chronic obstructive pulmonary disease, OR = odds ratio.
*Model adjusted for clinic-level clustering effects.
†"Which of the following best describes your feelings about quitting smoking right now?" Response: "I would like to quit in the next 30 days."
‡In response to the question, "On a scale of 0 to 10 how confident are you that you would be able to quit smoking at this time? (0 = not at all confident, 10 = extremely confident)."