Effect of trial allocation on T1 and T2 smoking cessation
| Quit smoking at T1 (n=1544) | ||||
|---|---|---|---|---|
| Primary analysis* | Yes (n=111) | No (n=1433) | Univariable OR (95% CI) | Multivariable OR† (95% CI) |
| Intervention, n (%) | 75 (68%) | 683 (48%) | 2.29 (1.52 to 3.45) | 2.38 (1.56 to 3.64) |
| Control, n (%) | 36 (32%) | 750 (52%) | ||
| Sensitivity analysis‡ | Yes (n=111) | No (n=895) | Univariable OR (95% CI) | Multivariable OR† (95% CI) |
| Intervention, n (%) | 75 (68%) | 452 (50%) | 2.04 (1.34 to 3.10) | 2.09 (1.36 to 3.23) |
| Control, n (%) | 36 (32%) | 443 (50%) | ||
| Quit smoking at T2 (n=1524) | ||||
| Primary analysis* | Yes (n=194) | No (n=1330) | Univariable OR (95% CI) | Multivariable OR† (95% CI) |
| Intervention, n (%) | 115 (59%) | 634 (48%) | 1.60 (1.18 to 2.17) | 1.60 (1.17 to 2.18) |
| Control, n (%) | 79 (41%) | 696 (52%) | ||
| Sensitivity analysis‡ | Yes (n=194) | No (n=671) | Univariable OR (95% CI) | Multivariable OR† (95% CI) |
| Intervention, n (%) | 115 (59%) | 373 (55%) | 1.16 (0.84 to 1.61) | 1.16 (0.65 to 1.33) |
| Control, n (%) | 79 (41%) | 298 (45%) | ||
*Intention-to-treat (ITT) analyses with the imputed population.
†Adjusted for T0 cancer distress, recruitment site, gender, age, marital group, deprivation and experience of lung cancer.
‡Complete case analyses.