Table 2.
Means, standard deviations, and t-test statistics for changes in smoking-related cognitions and coping strategies
| Smoking-related cognitions and coping strategies | Intervention group (n = 305) | Control group (n = 348) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Baseline | Post-assessment | t(304) | p | Baseline | Post-assessment | t(347) | p | |||||
| M | SD | M | SD | M | SD | M | SD | |||||
| Self-efficacy to refrain from smokinga | 2.3 | 0.6 | 3.4 | 1.0 | -19.14 | < .001 | 2.4 | 0.6 | 2.9 | 0.8 | -14.69 | < .001 |
| Positive smoking outcome expectanciesa | 2.8 | 0.5 | 2.3 | 0.6 | 12.96 | < .001 | 2.8 | 0.5 | 2.5 | 0.5 | 9.32 | < .001 |
| Avoidance of external cuesa | 2.7 | 0.8 | 3.5 | 0.9 | -11.60 | < .001 | 2.6 | 0.9 | 3.1 | 0.9 | -9.46 | < .001 |
| Perceived control over withdrawal symptomsa | 3.2 | 0.9 | 3.9 | 1.0 | -11.14 | < .001 | 3.3 | 0.9 | 3.5 | 1.0 | -3.59 | < .001 |
aR = 1–5