Covariate | Proportional odds ratios4-150 (odds of being higher in tobacco status) | ||
---|---|---|---|
OR | 95% CI | p Value | |
Tobacco use: favourite star | |||
0 | Reference | ||
1 | 0.78 | 0.53 to 1.15 | 0.2 |
2 | 1.53 | 1.01 to 2.32 | 0.046 |
⩾ 3 | 3.09 | 1.34 to 7.12 | 0.008 |
Grade | |||
6 | Reference | ||
7 | 0.81 | 0.34 to 1.95 | 0.6 |
8 | 0.83 | 0.35 to 2.00 | 0.7 |
9 | 1.86 | 0.82 to 4.20 | 0.1 |
10 | 1.41 | 0.63 to 3.17 | 0.4 |
11 | 1.48 | 0.65 to 3.36 | 0.3 |
12 | 2.65 | 1.15 to 6.10 | 0.02 |
Sex | |||
Female | Reference | ||
Male | 0.85 | 0.60 to 1.19 | 0.3 |
Family and friends smoking | |||
None | Reference | ||
Family only | 1.39 | 0.57 to 3.40 | 0.5 |
Friends only | 3.23 | 1.71 to 6.09 | < 0.0001 |
Family and friends | 9.54 | 5.09 to 17.89 | < 0.0001 |
↵4-150 The odds ratios are adjusted for all other variables listed in the table as well as perceived school performance and ownership of cigarette promotional items.