Table 1 Demographic characteristics of sample in each survey round
2009-2010 | 2012-2013 | 2018 | ||||
|---|---|---|---|---|---|---|
n | % | n | % | n | % | |
Total | 13790 | 100.0 | 10309 | 100.0 | 9102 | 100.0 |
Sex | ||||||
Male | 6997 | 50.7 | 5140 | 49.9 | 4363 | 47.9 |
Female | 6793 | 49.3 | 5169 | 50.1 | 4739 | 52.1 |
Grade level | ||||||
8 | 4291 | 31.1 | 2894 | 28.1 | 2544 | 27.9 |
9 | 3794 | 27.5 | 2802 | 27.2 | 2766 | 30.4 |
10 | 3019 | 21.9 | 2584 | 25.1 | 2179 | 23.9 |
11 | 2686 | 19.5 | 2029 | 19.7 | 1613 | 17.7 |
Socio-economic area | ||||||
Low | 4468 | 32.6 | 3637 | 35.3 | 2656 | 29.2 |
Mid | 5661 | 41.4 | 3733 | 36.3 | 4173 | 45.8 |
High | 3558 | 26.0 | 2925 | 28.4 | 2273 | 25.0 |
Geographic location | ||||||
Metropolitan | 8469 | 61.7 | 5931 | 57.6 | 5943 | 65.3 |
Regional/remote | 5251 | 38.3 | 4373 | 42.4 | 3159 | 34.7 |