| Univariate | Blocks | Blocks+age & sex | Model I | Model II | Model III | Model IV | Model V | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | OR | (95% CI) | AOR | (95% CI) | AOR | (95% CI) | AOR | (95% CI) | AOR | (95% CI) | AOR | (95% CI) | AOR | (95% CI) | AOR | (95% CI) |
Behavioral & affective factors | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Attention or behavior problems at school | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   No | 1 |  | 1 |  | 1 |  | 1 |  | 1 |  | 1 |  | 1 |  | 1 |  |
   Yes | 11.6 | (5.61-23.97) | 7.0 | (3.27-14.79) | 6.8 | (2.93-15.63) | 6.8 | (2.93-15.63) | 6.0 | (2.53-14.19) | 5.0 | (2.02-12.23) | 4.9 | (1.80-13.48) | 3.4 | (1.13-10.11) |
   Missing | 11.2 | (5.64-22.15) | 8.3 | (4.21-16.55) | 8.1 | (4.15-15.72) | 8.1 | (4.15-15.72) | 2.2 | (.20-24.08) | 5.2 | (2.29-11.95) | 6.5 | (3.25-13.11) | 1.6 | (.24-11.09) |
Aggression | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Low | 1 |  | 1 |  | 1 |  | 1 |  | 1 |  | 1 |  | 1 |  | 1 |  |
   Moderate | 1.4 | (.61-3.34) | 1.3 | (.56-2.99) | 1.6 | (.67-3.87) | 1.6 | (.67-3.87) | 1.8 | (.74-4.17) | 1.4 | (.52-3.56) | 1.4 | (.55-3.37) | 1.3 | (.51-3.41) |
   High | 7.6 | (3.59-16.03) | 3.5 | (1.55-7.80) | 4.3 | (1.84-9.90) | 4.3 | (1.84-9.90) | 4.1 | (1.77-9.64) | 3.5 | (1.32-9.44) | 3.0 | (1.21-7.61) | 2.7 | (.94-7.79) |
Anxiousness | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Low | 1 |  | 1 |  | 1 |  | 1 |  | 1 |  | 1 |  | 1 |  | 1 |  |
   Moderate | 2.5 | (1.39-4.54) | 1.4 | (.69-2.99) | 2.2 | (1.01-4.65) | 2.2 | (1.01-4.65) | 2.0 | (.92-4.40) | 2.9 | (1.37-6.19) | 2.5 | (1.14-5.40) | 3.0 | (1.33-6.91) |
   High | 7.7 | (2.87-20.58) | 1.8 | (.58-5.62) | 3.0 | (.92-9.98) | 3.0 | (.92-9.98) | 3.2 | (.99-10.40) | 3.8 | (1.08-13.65) | 3.2 | (.86-11.71) | 4.0 | (1.07-15.14) |
Parental factors | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Parental alcohol problems | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   No | 1 |  | 1 |  | 1 |  |  |  | 1 |  |  |  |  |  | 1 |  |
   Yes | 2.4 | (1.22-4.76) | 2.2 | (1.09-4.44) | 2.4 | (1.13-5.03) |  |  | 1.5 | (.72-3.30) |  |  |  |  | 1.6 | (.73-3.59) |
   Missing | 6.5 | (3.22-13.05) | 4.3 | (1.75-10.77) | 3.6 | (1.36-9.73) |  |  | 3.4 | (1.03-11.58) |  |  |  |  | 2.7 | (.82-9.04) |
Parental basic education | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Some high school | 1 |  | 1 |  | 1 |  |  |  | 1 |  |  |  |  |  | 1 |  |
   Less than high school | 2.9 | (1.38-6.23) | 2.8 | (1.28-5.93) | 3.0 | (1.35-6.55) |  |  | 2.3 | (.97-5.60) |  |  |  |  | 1.9 | (.78-4.76) |
   Missing | 12.3 | (5.11-29.63) | 5.1 | (1.67-15.77) | 6.8 | (2.06-22.54) |  |  | 2.8 | (.20-39.57) |  |  |  |  | 2.6 | (.38-18.43) |
Age at substance use initiation | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Daily smoking | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Non-smoker | 1 |  | 1 |  | 1 |  |  |  |  |  | 1 |  |  |  | 1 |  |
   >17 years | 4.3 | (1.70-11.01) | 4.0 | (1.46-10.89) | 3.7 | (1.36-9.94) |  |  |  |  | 3.1 | (1.07-9.00) |  |  | 3.4 | (1.21-9.51) |
   15-17 years | 5.0 | (2.10-12.09) | 4.4 | (1.77-10.91) | 4.2 | (1.64-10.82) |  |  |  |  | 3.4 | (1.29-9.18) |  |  | 3.0 | (1.10-8.29) |
   <15 years | 14.5 | (5.92-35.33) | 8.9 | (3.21-24.90) | 9.9 | (3.37-28.80) |  |  |  |  | 8.5 | (2.89-25.11) |  |  | 7.5 | (2.56-22.19) |
Drinking to intoxication | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   >17 years or never | 1 |  | 1 |  | 1 |  |  |  |  |  | 1 |  |  |  | 1 |  |
   15-17 years | 2.0 | (.97-4.05) | 1.3 | (.61-2.76) | 1.4 | (.62-3.09) |  |  |  |  | 1.3 | (.54-3.12) |  |  | 1.4 | (.58-3.56) |
   <15 years | 6.7 | (2.94-15.44) | 2.6 | (1.01-6.76) | 2.7 | (.92-7.66) |  |  |  |  | 2.1 | (.76-5.88) |  |  | 2.2 | (.76-6.44) |
Learning & education | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Learning difficulties at school | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   No | 1 |  | 1 |  | 1 |  |  |  |  |  |  |  | 1 |  | 1 |  |
   Yes | 3.8 | (1.76-8.03) | 2.9 | (1.33-6.30) | 4.3 | (1.83-9.95) |  |  |  |  |  |  | 1.2 | (.42-3.21) | 1.6 | (.52-4.87) |
   Missing | 8.4 | (4.30-16.35) | 6.5 | (3.34-12.60) | 7.0 | (3.67-13.22) |  |  |  |  |  |  | * |  | * |  |
Basic education | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   High school | 1 |  | 1 |  | 1 |  |  |  |  |  |  |  | 1 |  | 1 |  |
   Less than high school | 6.4 | (3.64-11.29) | 5.4 | (3.02-9.62) | 4.4 | (2.39-7.99) |  |  |  |  |  |  | 3.1 | (1.60-6.14) | 1.8 | (.93-3.65) |
Log likelihood of the model | Â | Â | Â | Â | Â | Â | -332.564 | Â | -319.966 | Â | -297.473 | Â | -320.756 | Â | -283.803 | Â |
Likelihood ratio chi2 (df) b | Â | Â | Â | Â | Â | Â | Â | Â | 25.196 (4) | Â | 70.182 (5) | Â | 23.616 (2) | Â | 97.522 (11) | Â |
P value | Â | Â | Â | Â | Â | Â | Â | Â | <.001 | Â | <.001 | Â | <.001 | Â | <.001 | Â |