| Model 1 | Model 2 | Model 3 | Model 4 | ||||
---|---|---|---|---|---|---|---|---|
 | OR | 95% CI | OR | 95% CI | OR | 95% CI | OR | 95% CI |
Models Risk | ||||||||
 Peer models risk | 1.06 | 0.86–1.31 | 1.06 | 0.86–1.30 | 1.01 | 0.81–1.26 | 0.94 | 0.75–1.19 |
 Sibling drinks alcohol | 1.01 | 0.76–1.34 | 1.00 | 0.75–1.33 | 1.09 | 0.85–1.41 | 1.12 | 0.87–1.44 |
 Problem drinker at home | 1.11 | 0.80–1.54 | 1.12 | 0.82–1.52 | 1.19 | 0.88–1.62 | 1.21 | 0.87–1.67 |
Opportunity Risk | ||||||||
 Alcohol availability at home | 1.16* | 1.02–1.33 | 1.14* | 1.01–1.29 | 1.09 | 0.98–1.22 | 1.09 | 0.97–1.22 |
 Alcohol availability in community | 2.76*** | 2.26—3.36 | 2.56*** | 2.10–3.14 | 2.22*** | 1.79–2.76 | 2.11*** | 1.71–2.62 |
Vulnerability Risk | ||||||||
 Social Vulnerability Risk | 1.14 | 0.91–1.94 | 1.22 | 0.97–1.52 | 1.27* | 1.02–1.58 | 1.28* | 1.02–1.60 |
Individual Vulnerability Risk | ||||||||
 Low perception of self | 1.38 | 0.98–1.94 | 1.39 | 0.99–1.96 | 1.15 | 0.84–1.58 | 1.21 | 0.87–1.67 |
 Low expectations of the future | 1.44** | 1.09–1.92 | 1.36* | 1.03–1.79 | 1.18 | 0.88–1.59 | 1.20 | 0.88–1.62 |
 Suicidal Ideation | 1.40** | 1.09–1.80 | 1.73*** | 1.28–2.32 | 1.65** | 1.16–2.35 | 1.61** | 1.11–2.33 |
Demographic variables | ||||||||
 Age |  |  | 1.03 | 0.90–1.17 | 1.04 | 0.91–1.18 | 1.02 | 0.89–1.17 |
 Male gender |  |  | 2.51*** | 1.70–3.70 | 2.10*** | 1.43–3.08 | 2.11*** | 1.47–3.01 |
 Urban location |  |  | 1.28 | 0.90–1.83 | 1.23 | 0.88–1.70 | 1.18 | 0.86–1.63 |
 Support Protection |  |  |  |  | 1.14 | 0.83–1.55 | 1.10 | 0.79–1.52 |
 Models Protection |  |  |  |  | 1.18 | 0.90–1.55 | 1.22 | 0.93–1.60 |
Controls Protection | ||||||||
 Individual Controls Protection |  |  |  |  | 0.82 | 0.65–1.02 | 0.80* | 0.64–1.00 |
 Social Controls Protection |  |  |  |  | 0.36*** | 0.26–0.51 |  |  |
 Family monitoring |  |  |  |  |  |  | 0.77 | 0.59–1.02 |
 Peer disapproval of substance use |  |  |  |  |  |  | 0.57*** | 0.49–0.65 |
 Peers view academic achievement as important |  |  |  |  |  |  | 1.03 | 0.92–1.15 |
 School attachment |  |  |  |  |  |  | 0.77* | 0.59–1.00 |