Background characteristics of study participants
| % (95% CI) | |
| Age categories | |
| 18–29 years | 25.1 (24.1 to 26.1) |
| 30–39 years | 26.7 (25.7 to 27.7) |
| 40–49 years | 30.6 (29.5 to 31.6) |
| 50–55 years | 17.6 (16.8 to 18.5) |
| Aboriginal and/or Torres Strait Islander | |
| No | 97.9 (97.6 to 98.1) |
| Yes | 2.1 (1.9 to 2.4) |
| Country/Region of birth | |
| Australia or NZ | 75.7 (74.6 to 76.7) |
| Northwest Europe | 6 (5.5 to 6.6) |
| Southern and Eastern Europe | 1.5 (1.2 to 1.8) |
| Asia | 12.8 (11.9 to 13.7) |
| North America | 0.8 (0.6 to 1) |
| Africa | 2 (1.7 to 2.4) |
| South America | 0.4 (0.3 to 0.6) |
| Polynesia | 0.9 (0.7 to 1.1) |
| Language spoken at home | |
| Northern European language | 89 (88.1 to 89.8) |
| Other European language | 1.4 (1.1 to 1.7) |
| Southwest and Central Asia | 1.2 (0.9 to 1.5) |
| Southern and Southeast Asia | 6.1 (5.5 to 6.7) |
| Eastern Asian language | 2.1 (1.7 to 2.5) |
| Other languages | 0.3 (0.2 to 0.5) |
| Highest qualification | |
| Completed High school or above | 91.6 (90.9 to 92.3) |
| Didn't complete high school | 8.4 (7.8 to 9.1) |
| Household income | |
| 20 000 or above | 96.1 (95.5 to 96.6) |
| Less than 20 000 | 3.9 (3.4 to 4.5) |
| Sexual orientation | |
| Heterosexual | 92.8 (92.1 to 93.4) |
| Homo/bisexual | 3.5 (3.1 to 4) |
| Not sure | 2.1 (1.8 to 2.5) |
| Others | 1.6 (1.3 to 1.9) |
| Body mass index | |
| Underweight | 0.6 (0.5 to 0.9) |
| Normal weight | 34.6 (33.4 to 35.8) |
| Overweight | 42.6 (41.4 to 43.8) |
| Moderate obesity | 15 (14.3 to 15.9) |
| Morbid Obesity | 7.2 (6.6 to 7.8) |
| Disability: WGDS | |
| Without disability | 93.2 (92.6 to 93.7) |
| With disability | 6.8 (6.3 to 7.4) |
| SEIFA decile | |
| Second decile and above | 90.4 (89.5 to 91.2) |
| First decile | 9.7 (8.9 to 10.5) |
| Employment status | |
| Employed | 84.3 (83.4 to 85.2) |
| Unemployed | 15.7 (14.8 to 16.6) |
| Discrimination | |
| No | 80.3 (79.4 to 81.3) |
| Yes | 19.7 (18.8 to 20.6) |
NZ, New Zealand; SEIFA, Socio-Economic Indexes for Areas; WGDS, Washington Group Disability Score.