Table 3.
Exposure to components of smoke-free film rules and ever smoking in the study population
| Compliance to smoke-free film rules | n (%) | Ever smoker (%) | Crude OR (95% CI) |
P value | Adjusted OR* (95% CI) | P value |
| AV disclaimer at the start of the film | 0.039 | 0.022 | ||||
| No | 7171 (18.5) | 192 (2.7) | 1.2 (1.0 to 1.4) | 1.3 (1.0 to 1.5) | ||
| Yes | 31 527 (81.5) | 715 (2.3) | 1 | 1 | ||
| Health spot at the start of the film | 0.861 | 0.969 | ||||
| No | 2463 (6.4) | 59 (2.4) | 1.0 (0.8 to 1.3) | 1.0 (0.7 to 1.4) | ||
| Yes | 36 235 (92.2) | 848 (2.3) | 1 | 1 | ||
| Health spot in the middle of the film | 0.109 | 0.391 | ||||
| No | 3234 (8.4) | 89 (2.8) | 1.2 (1.0 to 1.5) | 1.1 (0.9 to 1.5) | ||
| Yes | 35 464 (91.6) | 818 (2.3) | 1 | 1 | ||
| Any static warning messages | 0.329 | 0.346 | ||||
| No | 223 (0.6) | 3 (1.3) | 0.6 (0.2 to 1.8) | 0.5 (0.1 to 2.1) | ||
| Yes | 38 475 (99.4) | 904 (2.3) | 1 | 1 | ||
| COTPA-compliant static warning messages | 0.415 | 0.261 | ||||
| No | 7944 (20.5) | 196 (2.5) | 1.1 (0.9 to 1.3) | 1.1 (0.9 to 1.4) | ||
| Yes | 30 754 (79.5) | 711 (2.3) | 1 | 1 |
*All p<0.05 after adjustment for age, gender, father’s education, family members smoking, friends smoking, wealth quintile, rebelliousness, self-esteem and school performance.
AV, audiovisual; COTPA, Cigarettes and Other Tobacco Products Act.