Table 2.
Predictors | Non-smokers n (%) | Smokers n (%) | Univariate logistic regression | Multivariate logistic regression | ||
---|---|---|---|---|---|---|
OR | CI | OR | CI | |||
Gender: | ||||||
Boys | 1495 (79.2) | 393 (20.8) | 1.00 | Ref. | 1.00 | Ref. |
Girls | 1592 (88.1) | 216 (11.9) | 0.52 | 0.43–0.62 | 0.53 | 0.44–0.64 |
Age: | ||||||
13-year-old | 1789 (89.3) | 215 (10.7) | 1.00 | Ref. | 1.00 | Ref. |
15-year-old | 1298 (76.7) | 394 (23.3) | 2.53 | 2.11–3.03 | 2.55 | 2.11–3.08 |
Family FAS: | ||||||
Low | 1069 (80.9) | 253 (19.1) | 1.00 | Ref. | 1.00 | Ref. |
Medium | 1336 (85.3) | 231 (14.7) | 0.73 | 0.60–0.89 | 0.80 | 0.65–0.98 |
High | 599 (86.1) | 97 (13.9) | 0.68 | 0.53–0.88 | 0.86 | 0.67–1.12 |
Family structure: | ||||||
Intact family | 2201 (87.1) | 327 (12.9) | 1.00 | Ref. | 1.00 | Ref. |
Not-intact family | 880 (76.0) | 278 (24.0) | 2.13 | 1.78-2.54 | 2.10 | 1.74–2.54 |
Significant relationships are provided in bold