Sample descriptive statistics
| SEIFA relative index of disadvantage quintiles | |||||
| Male | 1 (Affluent) | 2 | 3 | 4 | 5 (Deprived) |
| N | 1520 | 1562 | 1572 | 1573 | 1535 |
| (95% CI) | |||||
| Body mass index (mean) | 26.3 (26.0 to 26.6) | 26.6 (26.3 to 26.9) | 27.2 (26.9 to 27.5) | 27.5 (27.2 to 27.8) | 27.3 (27.0 to 27.6) |
| Overweight or obese (%) | 58.8 (56.2 to 61.3) | 62.9 (60.3 to 65.4) | 65.4 (62.8 to 67.9) | 67.0 (64.4 to 69.4) | 62.7 (60.2 to 65.2) |
| Obese (%) | 16.6 (14.7 to 18.6) | 19.1 (17.1 to 21.2) | 23.9 (21.7 to 26.2) | 26.4 (24.2 to 28.8) | 26.2 (24.0 to 28.6) |
| Age (years, mean) | 45.6 (44.6 to 46.5) | 45.1 (44.1 to 46.1) | 43.5 (42.5 to 44.5) | 45.4 (44.4 to 46.4) | 45.1 (44.1 to 46.1) |
| In a couple (%) | 69.4 (67.0 to 71.8) | 69.7 (67.2 to 72.1) | 69.8 (67.3 to 72.2) | 67.0 (64.4 to 69.4) | 58.4 (55.8 to 61.0) |
| University education (%) | 41.9 (39.3 to 44.5) | 26.0 (23.7 to 28.3) | 19.4 (17.4 to 21.6) | 16.4 (14.6 to 18.5) | 11.9 (10.3 to 13.6) |
| Not unemployed (%) | 93.1 (91.7 to 94.4) | 91.9 (90.4 to 93.3) | 90.4 (88.7 to 91.9) | 89.6 (87.9 to 91.1) | 87.2 (85.4 to 88.8) |
| High disposable income (%)* | 39.6 (37.0 to 42.2) | 20.5 (18.4 to 22.7) | 20.7 (18.6 to 22.9) | 13.8 (12.1 to 15.7) | 9.4 (8.0 to 11.1) |
| SEIFA relative index of disadvantage quintiles | |||||
| Female | 1 (Affluent) | 2 | 3 | 4 | 5 (Deprived) |
| N | 1419 | 1378 | 1365 | 1368 | 1401 |
| (95% CI) | |||||
| Body mass index (mean) | 25.1 (24.8 to 25.3) | 26.1 (25.8 to 26.4) | 26.6 (26.3 to 26.9) | 27.1 (26.8 to 27.4) | 27.5 (27.2 to 27.8) |
| Overweight or obese (%) | 41.0 (38.5 to 43.4) | 48.4 (46.0 to 50.9) | 52.7 (50.2 to 55.1) | 54.9 (52.4 to 57.3) | 58.7 (56.2 to 61.2) |
| Obese (%) | 15.2 (13.5 to 17.1) | 21.5 (19.5 to 23.6) | 25.0 (23.0 to 27.2) | 26.6 (24.5 to 28.8) | 29.6 (27.4 to 32.0) |
| Age (years, mean) | 45.6 (44.7 to 46.5) | 45.0 (44.1 to 45.9) | 44.0 (43.1 to 44.9) | 45.2 (44.2 to 46.1) | 46.2 (45.3 to 47.2) |
| In a couple (%) | 65.4 (63.0 to 67.8) | 64.7 (62.3 to 67.0) | 62.3 (59.9 to 64.7) | 60.1 (57.6 to 62.5) | 55.8 (53.3 to 58.3) |
| University education (%) | 41.2 (38.8 to 43.7) | 30.3 (28.0 to 32.6) | 24.4 (22.3 to 26.6) | 19.2 (17.3 to 21.2) | 15.6 (13.9 to 17.5) |
| Not unemployed (%) | 93.0 (91.6 to 94.2) | 91.6 (90.1 to 92.9) | 92.0 (90.5 to 93.2) | 89.8 (88.2 to 91.2) | 88.6 (86.9 to 90.1) |
| High disposable income (%)* | 37.6 (35.3 to 40.1) | 19.6 (17.7 to 21.7) | 18.0 (16.2 to 20.0) | 12.5 (11.0 to 14.2) | 8.7 (7.4 to 10.2) |
Body mass index measured in kg/m2.
*High disposable income=quintile 5 (≥A$133K).
SEIFA, Socio Economic Index For Areas.