Eligible at baseline | Follow-up data available | Included in the analyses* | |
---|---|---|---|
Onset of drunkenness | 1120 | 974 | 917 |
Drunk more than 10 times | 1268 | 1080 | 986 |
Regular smoking | 1268 | 1080 | 923 |
Onset of illicit drug use | 1251 | 1068 | 984 |
*Numbers of complete cases (no missing data) used in the multivariate analyses.