Table 1.
Sample characteristics
| Frequency (%) | |
|---|---|
| Female | 15 200 (52.7) |
| Age | 13.6 (1.4)* |
| Family Affluence Scale | 14.9 (2.0)* |
| Living arrangements | |
| Both parents | 18 691 (64.8) |
| Parent and stepparent | 3778 (13.1) |
| Single mother | 5323 (18.5) |
| Single father | 747 (2.6) |
| Foster care | 295 (1.0) |
| Smoking | |
| Occasional | 409 (1.4) |
| Weekly or more | 841 (3.0) |
| Cannabis use | |
| Less than daily | 468 (1.9) |
| Daily | 167 (0.7) |
| Alcohol | |
| 1–5 drinks per occasion | 6054 (21.6) |
| 5+ drinks per occasion | 1690 (6.0) |
| Ever used mephedrone | 261 (1.0) |
*Mean (and SD).