Table 2.
Results of the analysis for lifetime tobacco use according to the individual characteristics of the participants and substances use in their entourage across 2014, 2015 and 2016
| p-value | OR* [95% CI] | |
|---|---|---|
| Individual characteristics | ||
| Age | < 0.001 | |
| > 13 years | 2.1 [1.6,2.7] | |
| ≤ 13 years | 1 | |
| Sex | < 0.001 | |
| Male | 3.9 [2.9,5.2] | |
| Female | 1 | |
| Current psychological problems | ||
| Depressive mood | 0.008 | |
| Yes | 1.4 [1.1,1.8] | |
| No | 1 | |
| Anxiety | < 0.001 | |
| Yes | 1.7 [1.3,2.3] | |
| No | 1 | |
| Stress | 0.053 | |
| Yes | 1.3 [1,1.7] | |
| No | 1 | |
| Insomnia | 0.002 | |
| Yes | 0.6 [0.5,0.8] | |
| No | 1 | |
| Lifetime inhalants use | 0.042 | |
| Yes | 1.8 [1.1,3.3] | |
| No | 1 | |
| Lifetime illicit substances use | < 0.001 | |
| Yes | 9.1 [3.1,26.7] | |
| No | 1 | |
| Substances use in the entourage | ||
| Tobacco use among the father | < 0.001 | |
| Yes | 1.6 [1.2,2.1] | |
| No | 1 | |
| Tobacco use among the mother | 0.144 | |
| Yes | 2.1 [0.7,5.9] | |
| No | 1 | |
| Tobacco use among siblings | < 0.001 | |
| Yes | 2.0 [1.4,2.7] | |
| No | 1 | |
| Illicit substances use among parents | 0.855 | |
| Yes | 1.1 [0.2,5.2] | |
| No | 1 | |
| Illicit substances use among sibling | 0.095 | |
| Yes | 4.6 [0.8,28.2) | |
| No | 1 | |
| Illicit substances use among friends | < 0.001 | |
| Yes | 2.9 [1.8,4.5] | |
| No | 1 | |
CI Confidence Interval
OR* Odds ratio adjusted for the survey year