Table 3.
Variables associated with exposure to environmental tobacco smoke among Cambodian teenagers - Univariate analysis
| ETS exposure at home | ETS exposure outside at home | ETS exposure both at home and outside home | |
|---|---|---|---|
| OR (95% CI) | OR (95% CI) | OR (95% CI) | |
| Age (years) | |||
| ≤ 12 | 1.00 | 1.00 | 1.00 |
| 13 | 0.84 (0.55, 1.29) | 1.14 (0.75, 1.75) | 1.04 (0.68, 1.59) |
| 14 | 1.26 (0.83, 1.81) | 1.26 (0.75, 1.15) | 1.72 (1.15, 2.28) |
| 15 | 0.96 (0.68, 1.37) | 1.24 (0.87, 1.76) | 1.36 (0.96, 1.98) |
| ≥16 | 1.25 (0.92, 1.70) | 1.59 (1.17, 2.16) | 1.64 (1.20, 2.24) |
| Gender | |||
| Females | 1.00 | 1.00 | 1.00 |
| Males | 1.06 (0.87, 1.28) | 1.01 (0.83, 1.22) | 0.98 (0.80, 1.20) |
| Parents smoking | |||
| None | 1.00 | 1.00 | 1.00 |
| One or more parents smoking | 4.86 (3.55, 6.64) | 2.53 (1.87, 3.42) | 3.08 (2.22, 4.29) |
| Friends smoking | |||
| No | 1.00 | 1.00 | 1.00 |
| Yes | 1.73 (1.39, 2.24) | 2.01 (1.61, 2.52) | 1.97 (1.52, 2.54) |