Sample demographic characteristics
| Year 8 | Year 12 | |
|---|---|---|
| *11 missing values. | ||
| †226 participants reported belonging to more than one ethnic group. | ||
| School year | 48.1% (n = 1464) | 51.8% (n = 1576) |
| Age | Median 12 years | Median 16 years |
| Sex* | Male 52.7% (n = 772) | Male 57.6% (n = 908) |
| Female 47% (n = 688) | Female 42.1% (n = 663) | |
| Ethnic group† | ||
| European | 55.5% (n = 813) | 53.9% (n = 849) |
| Maori | 12.9% (n = 189) | 10.2% (n = 161) |
| Pacific Island | 13.5% (n = 198) | 19.5% (n = 308) |
| Asian | 17% (n = 249) | 19.3% (n = 304) |
| Other | 5.7% (n = 84) | 6.0% (n = 94) |