Logistic regression analyses of the associations between the intervention group (vs the control group) and unintended outcomes measured at 5 months follow-up among daily smokers at baseline, using multiple imputation of missing data (N=40×491)
| Unintended outcome at follow-up | Intervention group (n=40×264) | Control group (n=40×227) | Adjusted* | |
| % | % | OR | 95% CI | |
| Alternative tobacco and nicotine product use | ||||
| Regular smokeless tobacco use | 22.4 | 28.8 | 0.78 | 0.40 to 1.54 |
| Regular hookah use | 23.2 | 22.4 | 1.28 | 0.61 to 2.67 |
| Regular e-cigarette use | 37.2 | 34.1 | 1.17 | 0.65 to 2.10 |
| Regular use of either smokeless tobacco, hookah or e-cigarettes | 56.1 | 57.2 | 1.10 | 0.64 to 1.88 |
| Regular cannabis use | 11.0 | 7.2 | 1.68 | 0.67 to 4.20 |
| Well-being | ||||
| Boredom in breaks during school hours | 22.6 | 32.2 | 0.59 | 0.32 to 1.10 |
| Loneliness during school hours | 18.1 | 16.8 | 1.15 | 0.53 to 2.50 |
| High level of stress | 66.6 | 75.1 | 0.62 | 0.35 to 1.10 |
| Stigmatisation | ||||
| Self-stigma | 33.6 | 35.2 | 0.97 | 0.54 to 1.75 |
| Felt stigma | 12.0 | 9.5 | 1.55 | 0.71 to 3.40 |
| Discrimination | 1.8 | 1.9 | – | – |
Due to low student representation in the discrimination subscale, regression analyses were not possible.
*Adjusted for gender, socioeconomic status, age and baseline variable if available (regular smokeless tobacco, hookah and e-cigarette use).