Table 5.
Effects of the intervention on binge drinking, excessive drinking and weekly consumption in the complete model.
| Variablea | Binge drinking | Excessive drinking | Weekly consumption | ||||
|
|
OR (95% CI) | P | OR (95% CI) | P | β (SE) | P | |
| Condition (control) | 0.40 (0.18-0.83) | .01 | 0.48 (0.18-1.25) | .13 | 1.82 (1.39) | .19 | |
| Gender (male) | 1.11 (0.93-1.33) | .24 | 3.69 (2.74-4.97) | <.001 | –2.64 (0.36) | <.001 | |
| Parental participation (yes) | 0.60 (0.37-0.97) | .04 | 0.78 (0.30-2.04) | .61 | 0.83 (0.95) | .38 | |
| Educational level (high) | 0.54 (0.38-0.76) | <.001 | 0.57 (0.37-0.89) | .01 | 2.14 (0.71) | .002 | |
| Age | 0.74 (0.68-0.82) | <.001 | 0.70 (0.62-0.78) | <.001 | 1.30 (0.18) | <.001 | |
| Religion (no religion) |
|
|
|
|
|
|
|
|
|
Catholic | 0.99 (0.80-1.23) | .91 | 0.92 (0.69-1.23) | .58 | –0.03 (0.44) | .95 |
|
|
Protestant | 1.56 (1.08-2.25) | .02 | 1.95 (1.05-3.64) | .04 | –1.06 (0.73) | .15 |
|
|
Muslim | 6.59 (4.00-10.88) | <.001 | 1.94 (0.93-4.05) | .08 | –1.26 (0.86) | .14 |
|
|
Other | 1.57 (1.05-2.36) | .03 | 1.82 (0.95-3.48) | .07 | –0.88 (0.81) | .28 |
| Ethnicity (Dutch) | 1.22 (0.88-1.71) | .25 | 1.50 (0.90-2.50) | .10 | –0.47 (0.65) | .47 | |
| Interaction effects |
|
|
|
|
|
|
|
|
|
Condition × gender | 1.12 (0.77-1.62) | .55 | 0.60 (0.31-1.13) | .11 | –1.00 (0.74) | .17 |
|
|
Condition × educational level | 1.13 (0.54-2.34) | .75 | 2.15 (0.91-5.10) | .08 | –1.96 (1.49) | .19 |
|
|
Condition × age | 1.19 (0.98-1.43) | .08 | 1.17 (0.92-1.48) | .21 | –0.32 (0.37) | .39 |
|
|
Age 15 (control) | 0.47 (0.24-0.91) | .03 |
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|
|
|
|
|
Age 16 (control) | 0.56 (0.30-1.05) | .07 |
|
|
|
|
|
|
Age 17 (control) | 0.66 (0.34-1.28) | .22 |
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|
|
|
|
|
Age 18 (control) | 0.79 (0.38-1.63) | .52 |
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|
|
|
|
|
Age 19 (control) | 0.93 (0.40-2.17) | .87 |
|
|
|
|
|
|
High educational level |
|
|
1.48 (0.38-5.74) | .57 |
|
|
|
|
Low educational level |
|
|
0.46 (0.14-1.49) | .19 |
|
|
a Reference category of categorical variables is indicated within parentheses.