Exposure variable | OR (95% CI) | |||
Crude | Adjusted | |||
Model I* | Model II† | Model III‡ | ||
Movie tobacco use | ||||
First quartile | Reference | Reference | Reference | Reference |
Second quartile | 0.8 (0.5–1.3) | 1.0 (0.6–1.7) | 1.0 (0.6–1.8) | 1.1 (0.6–2.0) |
Third quartile | 1.3 (0.8–2.0) | 1.5 (1.0–2.4) | 1.5 (0.9–2.5) | 1.6 (0.9–2.7) |
Fourth quartile | 1.9 (1.3–2.9) | 2.3 (1.5–3.6) | 2.1 (1.3–3.5) | 2.3 (1.3–3.9) |
Receptive to tobacco promotions | ||||
No | Reference | Reference | Reference | Reference |
Yes | 3.0 (2.1–4.2) | 2.8 (1.9–3.9) | 2.0 (1.4–3.0) | 2.0 (1.4–3.0) |
↵* Adjusted for age, gender, school type and class.
↵† Adjusted for demographic profiles and receptive to tobacco advertisements, family members using tobacco and friends using tobacco.
↵‡ Adjusted for demographic profiles, social influences, academic performance, sensation seeking and authoritative parenting.