Language use and social environmental predictors of smoking status among baseline non-smokers between years 7–8 and years 8–9 among Sydney students (n = 3353)
| Variables | % | Odds ratio | 95% CI |
|---|---|---|---|
| Year 7 | 52.7 | 1.00 | |
| Year 8 | 47.3 | 1.17 | 0.92–1.51 |
| Female | 48.7 | 1.00 | |
| Male | 51.3 | 1.04 | 0.81–1.32 |
| Think not acceptable to smoke | 10.6 | 1.00 | |
| Think acceptable to smoke | 89.4 | 1.81 | 1.32–2.49 |
| Perceived benefits of smoking | 3-150 | 1.12 | 1.06–1.19 |
| Parents not discussed smoking | 36.4 | 1.00 | |
| Parents discuss smoking with student | 63.6 | 1.18 | 0.92–1.53 |
| Father does not smoke | 74.2 | 1.00 | |
| Father smokes | 25.8 | 0.94 | 0.70–1.26 |
| Mother does not smoke | 81.4 | 1.00 | |
| Mother smokes | 18.6 | 0.93 | 0.67–1.28 |
| Brother does not smoke | 92.6 | 1.00 | |
| Brother(s) smokes | 7.4 | 1.73 | 1.19–2.52 |
| Sister does not smoke | 93.8 | 1.00 | |
| Sister(s) smokes | 6.2 | 1.73 | 1.10–2.57 |
| Close friends do not smoke | 70.4 | 1.00 | |
| Close friend(s) smokes | 29.6 | 2.32 | 1.80–3.00 |
| Other close adults do not smoke | 44.2 | 1.00 | |
| Other close adult(s) smokes | 55.8 | 1.18 | 0.92–1.52 |
| Speaks language other than English at home | 21.9 | 1.00 | |
| Speaks English at home | 78.1 | 1.42 | 1.01–1.99 |
↵3-150 Continuous variable.
CI = confidence interval.