Table 2.
Socio-demographic characteristics of analysis sample and eligible sample.
| Socio-demographic characteristics | Analysis sample (n = 75, 966) |
Eligible sample (n = 117, 366) |
|
|---|---|---|---|
| N (%) | N (%) | ||
| Gender | Male | 38,361 (50.5) | 60,268 (51.4) |
| Female | 36,984 (48.7) | 56,465 (48.1) | |
| Other | 621 (0.8) | 633 (0.5) | |
| Grade level | 4–5 | 21,177 (27.9) | 28,976 (24.7) |
| 6–7 | 20,125 (26.5) | 27,287 (23.2) | |
| 8–9 | 16,715 (22.0) | 24,450 (20.8) | |
| 10–12 | 17,949 (23.6) | 36,653 (31.2) | |
| Age | 8–10 years old | 22,368 (29.4) | 30,474 (26.0) |
| 11–12 years old | 19,848 (26.1) | 27,008 (23.0) | |
| 13–14 years old | 16,453 (21.7) | 24,212 (20.6) | |
| 15–18 years old | 17,297 (22.8) | 35,672 (30.4) | |
| Language | English only | 57,976 (76.3) | 89,822 (76.5) |
| background | NESB | 17,990 (23.7) | 27,544 (23.5) |
| Community socio-economic position | 1 (Most disadvantaged) | 19,844 (26.1) | 34,005 (29.0) |
| (SEIFA IRSAD) | 2 | 12,608 (16.6) | 19,357 (16.5) |
| 3 | 11,976 (15.8) | 18,511 (15.8) | |
| 4 | 15,673 (20.6) | 22,568 (19.2) | |
| 5 (Most advantaged) | 15,865 (20.9) | 21,932 (18.7) | |
| Missing | 0 (0.0) | 993 (0.8) | |
| Highest education | Year 11 or equivalent or below | 10,001 (13.2) | 17,113 (14.6) |
| level of parents | Year 12 or equivalent | 8987 (11.8) | 14,080 (12.0) |
| Certificate I to IV | 21,866 (28.8) | 32,583 (27.8) | |
| Advanced Diploma or Diploma | 10,892 (14.3) | 15,956 (13.6) | |
| Bachelor Degree or above | 24,220 (31.9) | 33,097 (28.2) | |
| Missing | 0 (0.0) | 4537 (3.9) | |
| Geographical | Major Cities of Australia | 52,808 (69.5) | 80,101 (68.2) |
| remoteness | Inner Regional Australia | 11,120 (14.6) | 17,068 (14.5) |
| (ARIA) | Outer Regional Australia | 9405 (12.4) | 14,782 (12.6) |
| Remote/Very Remote Australia | 2633 (3.5) | 4439 (3.8) | |
| Missing | 0 (0.0) | 976 (0.8) | |
Note. NESB = Non-English Speaking Background; SEIFA IRSAD = Socio-Economic Indexes for Areas - Index of Relative Socio-Economic Advantage and Disadvantage. ARIA = Accessibility and Remoteness Index of Australia.