Pattern of binge drinking and alcohol consumption between the age of 18 and 25 years among AD cases and non-AD controls (n=166)
| Non-AD controls (n=83) | AD cases (n=83) | P value | |
| Occasions of binge drinking (%) | |||
| Often with friends | 33.7 | 83.1 | <0.0001 |
| Often with family | 2.4 | 9.6 | 0.10 |
| Often alone | 1.2 | 12.0 | 0.01 |
| Occasions of alcohol consumption during meals (%) | |||
| Often with friends | 27.7 | 68.7 | <0.0001 |
| Often with family | 15.6 | 25.3 | 0.17 |
| Often alone | 1.2 | 8.4 | 0.07 |
| Occasions of alcohol consumption not during meals (%) | |||
| Often with friends | 18.1 | 75.9 | <0.0001 |
| Often with family | 2.5 | 18.1 | 0.02 |
| Often alone | 0.0 | 12.0 | 0.03 |
AD, alcohol-dependent.