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Table 3 Logistic regression analysis: significant predictors of drinking alcohol for 12–13 year olds (Level 1 as reference category)

From: Prevalence, perceptions and predictors of alcohol consumption and abstinence among South Australian school students: a cross-sectional analysis

  Model 1
OR
n = 950
95% CI Model 2
OR
n = 945
95% CI Model 3
OR
n = 945
95% CI Model 4
OR
n = 525
95% CI
Sex (ref:male) 0.68 0.35–1.33 0.64 0.33–1.25 0.62 0.31–1.22 0.49 0.21–1.15
Index of disadvantage (ref: most disadvantage)
 2nd quintile 0.54 0.11–2.73 0.60 0.12–3.06 0.60 0.12–2.99 0.07 0.00–1.22
 3rd quintile 1.25 0.59–2.66 1.46 0.71–3.02 1.46 0.70–3.04 1.10 0.46–2.62
 4th quintile 0.94 0.40–2.20 0.93 0.39–2.21 0.95 0.40–2.25 1.50 0.31–7.40
 5th quintile 1.35 0.70–2.61 1.61 0.85–3.02 1.62 0.87–3.01 0.63 0.19–2.13
Available spending money per week (ref: none)
 $1–$40 1.28 0.69–2.37 1.34 0.71–2.55 1.36 0.72–2.58 3.18 0.70–14.47
 $41–$80 3.52* 1.13–10.97 3.82* 1.23–11.83 3.76* 1.21–11.72 9.10* 1.72–48.04
 $81–$120 4.12* 1.11–15.26 3.36 0.75–15.12 3.30 0.78–13.96 13.14** 2.36–73.31
 $121 and over 1.63 0.31–8.51 1.72 0.31–9.59 1.77 0.33–9.60 3.73 0.26–53.65
Self-reported ability at school (ref: a lot above average)
 Above average 0.36 0.09–1.38 0.32 0.08–1.18 0.31 0.09–1.16 0.16* 0.03–0.74
 Average 0.61 0.17–2.20 0.57 0.17–1.97 0.58 0.17–2.01 0.45 0.10–2.09
 Below average 1.17 0.26–5.31 0.91 0.22–3.76 0.92 0.22–3.92 0.84 0.17–4.27
 A lot below average 4.15 0.29–59.97 1.34 0.16–11.52 1.33 0.16–11.44 0.66 0.04–9.69
Smoked in last week (ref: no)    10.33** 2.87–37.16 10.64** 3.02–37.46 15.04* 1.97–114.79
Alcohol and cancer (ref: very/important)      0.77 0.41–1.44 0.42* 0.18–0.97
Friends approval (ref: no)        6.02** 1.91–18.93
Parental disapproval (ref: no)        0.25** 0.11–0.55
  1. ***p ≤ 0.001, **p ≤ 0.01, *p < 0.05