Table 2.
Point prevalence smoking abstinence rates at follow-up (complete-case data) and results of logistic regression analyses comparing abstinence rates in the study groups using complete-case analyses (CCA) and intention-to-treat analyses (ITT).
| Sample | Control n (%) | Intervention n (%) | OR (95% CI) | P | |||
|
|
|
|
CCA | ITT | CCA | ITT | |
| Total sample a |
|
|
|
|
|
|
|
|
|
7-day abstinence | 26 (9.6) | 36 (12.5) | 1.02 (0.60-1.76) | 1.03 (0.59-1.79) | .93 | .92 |
|
|
4-week abstinence | 15 (5.5) | 18 (6.3) | 0.87 (0.45-1.71) | 0.97 (0.50-1.90) | .69 | .92 |
| Baseline occasional smokers b |
|
|
|
|
|
|
|
|
|
7-day abstinence | 10 (19.6) | 25 (27.8) | 1.64 (0.65-4.10) | 1.56 (0.65-3.75) | .29 | .32 |
|
|
4-week abstinence | 4 (7.8) | 13 (14.4) | 1.99 (0.58-6.80) | 2.06 (0.63-6.78) | .27 | .23 |
| Baseline daily smokers c |
|
|
|
|
|
|
|
|
|
7-day abstinence | 16 (7.2) | 11 (5.6) | 0.83 (0.35-1.92) | 0.81 (0.36-1.81) | .65 | .61 |
|
|
4-week abstinence | 11 (5.0) | 5 (2.5) | 0.48 (0.13-1.80) | 0.55 (0.17-1.77) | .27 | .32 |
aBased on 272 participants in the control group and 287 in the intervention group.
bBased on 51 participants in the control group and 90 in the intervention group.
cBased on 221 participants in the control group and 197 in the intervention group.