Table 3.
Smoking Outcomes At 3-Month Follow-up Using Intent-to-Treat Analysisa, n = 474
| Smoking outcome | Usual care | Cell phone intervention | OR (95% CI) | p Value |
| Smoking abstinence outcome, % (n) | ||||
| 24 hrb | 5.04 (12) | 16.95 (40) | 4.23 (2.14, 8.36) | <.0001 |
| 7 day | 3.36 (8) | 11.86 (28) | 4.33 (1.92, 9.82) | <.0001 |
| 30 day | 2.94 (7) | 8.90 (21) | 3.56 (1.47, 8.60) | .005 |
| Continuous abstinence | 2.1 (5) | 8.90 (21) | 5.21 (1.91, 14.20) | .001 |
| Quit attempt, % (n) | 65.97 (157) | 69.07 (163) | 1.19 (0.81, 1.76) | .37 |
| Regression coefficient (95% CI) | ||||
| Longest period of abstinence, M days (SD) | 6.61 (13.81) | 14.71 (22.12) | 8.39 (5.05, 11.72) | <.0001 |
Note. OR = odds ratio.
a
Multiple regression models (logistic and linear) adjusted for age.
b
Expired carbon monoxide level <7 ppm.