Model 1 OR n = 874 | 95% CI | Model 2 OR n = 871 | 95% CI | Model 3 OR n = 871 | 95% CI | Model 4 OR n = 641 | 95% CI | |
---|---|---|---|---|---|---|---|---|
Sex (ref:male) | 1.16 | 0.84–1.61 | 1.15 | 0.82–1.62 | 1.23 | 0.87–1.74 | 1.54* | 1.01–2.32 |
Index of disadvantage (ref: most disadvantage) | ||||||||
2nd quintile | 0.98 | 0.63–1.53 | 1.03 | 0.66–1.62 | 1.04 | 0.67–1.61 | 1.32 | 0.78–2.22 |
3rd quintile | 1.00 | 0.66–1.52 | 0.95 | 0.63–1.43 | 0.93 | 0.63–1.38 | 0.90 | 0.55–1.48 |
4th quintile | 0.87 | 0.55–1.39 | 0.90 | 0.56–1.46 | 0.92 | 0.57–1.47 | 0.71 | 0.42–1.19 |
5th quintile | 0.76 | 0.45–1.26 | 0.79 | 0.48–1.30 | 0.76 | 0.47–1.24 | 0.50** | 0.31–0.78 |
Available spending money per week (ref: none) | ||||||||
$1–$40 | 1.98** | 1.20–3.26 | 2.08** | 1.23–3.48 | 2.12** | 1.25–3.61 | 2.18* | 1.21–3.91 |
$41–$80 | 3.04*** | 1.79–5.19 | 3.33*** | 1.99–5.57 | 3.38*** | 2.00–5.74 | 3.03** | 1.57–5.82 |
$81–$120 | 3.47** | 1.76–6.83 | 3.38** | 1.68–6.83 | 3.41*** | 1.68–6.92 | 2.57* | 1.21–5.43 |
$121 and over | 4.67*** | 2.60–8.39 | 4.99*** | 2.77–8.96 | 4.97*** | 2.73–9.03 | 4.78*** | 2.32–9.84 |
Self-reported ability at school (ref: a lot above average) | ||||||||
Above average | 2.42* | 1.18–4.97 | 2.35* | 1.18–4.68 | 2.29* | 1.13–4.63 | 1.81 | 0.94–3.48 |
Average | 3.52** | 1.75–7.09 | 3.27** | 1.65–6.48 | 3.08** | 1.53–6.16 | 2.73** | 1.37–5.45 |
Below average | 4.40** | 1.91–10.12 | 3.74** | 1.67–8.36 | 3.30** | 1.42–7.69 | 3.63* | 1.13–11.56 |
A lot below average | 18.15* | 1.48–221.91 | 9.25 | 0.62–137.07 | 9.73 | 0.63–149.41 | – | – |
Smoked in last week (ref: no) | 8.97*** | 4.52–17.82 | 8.94*** | 4.52–17.67 | 7.88*** | 3.09–20.10 | ||
Alcohol and cancer (ref: very/important) | 1.68** | 1.24–2.29 | 1.82** | 1.23–2.69 | ||||
Friends approval (ref: no) | 6.94*** | 4.19–11.49 | ||||||
Parental disapproval (ref: no) | 0.41*** | 0.29–0.57 |