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
| Â | 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 |