Table 2 Results of the multiple logistic regression analysis
| Â | B | S.E | Wald | OR | 95% CI | P |
|---|---|---|---|---|---|---|
Demographics | ||||||
 Gender | ||||||
  girl |  |  |  |  | 1.0 (Ref.) |  |
  boy | 0.939 | 0.256 | 13.47 | 2.55 | 1.54–4.22 | 0.001 |
 Smoking | ||||||
  no |  |  |  |  | 1.0 (Ref.) |  |
  yes | 1.295 | 0.259 | 24.99 | 3.65 | 2.19–6.06 | 0.001 |
 Life satisfaction | ||||||
  yes |  |  |  |  | 1.0 (Ref.) |  |
  no | 1.322 | 0.232 | 32.44 | 3.75 | 2.37–5.91 | 0.001 |
 Social support | 0.326 | 0.527 | 0.367 | 0.72 | 0.56–0.87 | 0.01 |
 Hopefulness | 0.156 | 0.146 | 1.139 | 0.85 | 0.63–0.92 | 0.001 |
 Perceived stress | 0.668 | 0.289 | 5.451 | 1.92 | 1.60–2.91 | 0.001 |
 Perceived depression | 1.022 | 0.360 | 8.01 | 2.76 | 1.82–4.88 | 0.005 |