| Elementary school students1 | Elementary and high school students2 | ||
---|---|---|---|---|
 | Unadjusted | Adjusted3 | Unadjusted | Adjusted3 |
 | OR (95% C.I) | OR (95% C.I) | OR (95% C.I) | OR (95% C.I) |
Gender (males) | 2.05 (0.82-5.09) | 1.4 (0.49-3.94) | 1.45 (0.65-2.23) | 1.46 (0.89-2.40) |
Smoker in immediate family4 (yes) | -- | -- | 14.5 (4.54-46.1) | 10.3 (3.14-34.0) |
Currently drink alcohol (yes) | 5.95 (2.16-16.4) | 9.71 (2.12-44.3) | 13.8 (5.59-34.5) | 38.8 (5.33-58.2) |
Parents drink alcohol (yes) | 6.00 (2.35-15.3) | 3.03 (0.99-9.23) | 7.59 (4.74-12.2) | 3.66 (1.97-6.81) |
Siblings drink alcohol (yes) | 4.17 (0.88-19.8) | 1.05 (0.18-6.06) | 11.5 (6.18-21.5) | 2.76 (1.24-6.15) |