Table 2.
Descriptive statistics of participating students demographics
| Student demographic | Current sample (21 schools; n = 6793) | Full study sample (32 schools; n = 10,116) | ||
|---|---|---|---|---|
| n | % | n | % | |
| Gender | ||||
| Male | 3390 | 49.9 | 5061 | 50.0 |
| Age | ||||
| 12 | 829 | 12.2 | 1268 | 12.5 |
| 13 | 2008 | 29.6 | 2934 | 29.0 |
| 14 | 1799 | 26.5 | 2670 | 26.4 |
| 15 | 1484 | 21.8 | 2237 | 22.1 |
| 16 | 673 | 9.9 | 1007 | 10.0 |
| Aboriginality | ||||
| Aboriginal and/or Torres Strait Islander | 732 | 10.8 | 1144 | 11.3 |
| Socioeconomic disadvantagea | ||||
| Quintile 1 (most disadvantaged) | 725 | 10.7 | 1276 | 12.6 |
| Quintile 2 | 2090 | 30.8 | 3201 | 31.7 |
| Quintile 3 | 2781 | 41.0 | 4344 | 43.0 |
| Quintile 4 | 1116 | 16.5 | 1211 | 12.0 |
| Quintile 5 (least disadvantaged) | 68 | 1.00 | 68 | 0.7 |
| Remoteness (ARIA)a | ||||
| Major cities Australia | 3311 | 48.8 | 4892 | 48.4 |
| Inner regional Australia | 2611 | 38.5 | 4119 | 40.8 |
| Outer regional/remote Australia | 860 | 12.7 | 1094 | 10.8 |
Relative to the state of NSW, both the current study sample and wider study region have a similar gender composition for the adolescent population (49.9, 51.5 and 51.5 % male; current sample, region and state respectively), however have a lower index of socio-economic status [20, 21], a higher proportion of people residing outside metropolitan areas, and a higher proportion of the adolescent population (10–19 years) are Aboriginal (10.8, 9.6 and 5.3 %; current sample, region and state respectively) [20]
aSample size varied due to missing data