Table 2.
Univariate analysis of the associations between related factors and the risk of adolescent current smoking
| Variables | Total(N = 7423) | Smokers (N = 170, %) | OR | 95%CI | P value |
|---|---|---|---|---|---|
| Parents smoking | |||||
| No | 3999 | 64(1.6) | 1.000 | ||
| One parent | 3205 | 84(2.6) | 1.655 | 1.193–2.306 | 0.003 |
| Both | 82 | 11(13.4) | 9.526 | 4.591–18.169 | < 0.001 |
| Unknown | 137 | 11(8.0) | 5.368 | 2.725–10.030 | < 0.001 |
| Frequency of teachers smoking in schools | |||||
| Never | 3912 | 36(0.9) | 1.000 | ||
| sometimes | 1792 | 65(3.6) | 4.052 | 2.703–6.170 | < 0.001 |
| Almost every day | 444 | 50(11.3) | 13.663 | 8.822–21.367 | < 0.001 |
| Unknown | 1275 | 19(1.5) | 1.629 | 0.913–2.815 | 0.0874 |
| Friends smoking | |||||
| No | 5005 | 14(0.3) | 1.000 | ||
| Yes | 2418 | 156(6.5) | 24.586 | 14.739–44.572 | < 0.001 |
| Exposure to tobacco product marketing | |||||
| No | 5752 | 69(1.2) | 1.000 | ||
| Yes | 1671 | 101(6.0) | 5.298 | 3.890–7.257 | < 0.001 |
| Have received health education on the dangers of tobacco in class | |||||
| No | 4255 | 76(1.8) | 1.000 | ||
| Yes | 2054 | 66(3.2) | 1.825 | 1.305–2.548 | < 0.001 |
| Unknown | 1114 | 28(2.5) | 1.417 | 0.900-2.171 | 0.119 |
| Considered smoking more attractive | |||||
| Indifferent | 2371 | 79(3.3) | 1.000 | ||
| Yes | 413 | 49(11.9) | 3.906 | 2.675–5.652 | < 0.001 |
| No | 4639 | 42(0.9) | 0.265 | 0.180–0.384 | < 0.001 |
| Perceived comfortable smoking in social occasions | |||||
| Indifferent | 863 | 53(6.1) | 1.000 | ||
| Yes | 286 | 73(25.5) | 5.238 | 3.574–7.724 | < 0.001 |
| No | 6274 | 44(0.7) | 0.108 | 0.072–0.162 | < 0.001 |