Factors associated with alcohol dependence according to factors before the age of 18 years (model 1) and between the age of 18 and 25 years (model 2), multivariate analysis (n=166)
| AOR (95% CI) | P value | |
| Model 1 | ||
| Binge drinking (18–25 years) | ||
| Never or occasional | Ref | 0.03 |
| Frequent | 2.83 (1.10 to 7.25) | |
| Characteristics of period 1 | ||
| Father’s history of alcoholism | 2.93 (1.21 to 7.11) | 0.02 |
| Mother’s history of alcoholism | 1.99 (0.47 to 8.45) | 0.34 |
| Repeating a school year | 1.76 (0.77 to 4.00) | 0.17 |
| High school diploma | 0.14 (0.05 to 0.38) | <0.0001 |
| Model 2 | ||
| Binge drinking (18–25 years) | ||
| Never or occasional | Ref | 0.007 |
| Frequent | 2.93 (1.33 to 6.35) | |
| Characteristics of period 2 | ||
| University student | 0.09 (0.04 to 0.24) | <0.0001 |
| Living in parents’ home | 0.35 (0.14 to 0.88) | 0.03 |
| Relationship with parents | ||
| Good | Ref | |
| Medium | 0.65 (0.25 to 1.69) | 0.38 |
| Bad | 3.04 (0.78 to 11.77) | 0.11 |
| Frequency of alcohol consumption (except binge drinking) | ||
| Never | Ref | |
| Occasional | 0.15 (0.05 to 0.46) | 0.001 |
| Frequent | 1.10 (0.21 to 5.70) | 0.91 |
Period 1: before 18 years.
Period 2: between 18 and 25 years.