Table 1.
Descriptive data for confounders by frequency of fast food purchasing
| Never | Monthly | Weekly | P-value* | |
| % | % | % | ||
| n. | 1424 | 878 | 245 | |
| Proportion who eat fast food | 55.9 | 34.5 | 9.6 | |
| Age (years) | ||||
| 18–24 | 30.4 | 48.2 | 21.4 | |
| 25–34 | 40.7 | 45.4 | 13.9 | |
| 35–44 | 41.5 | 43.8 | 14.7 | |
| 45–54 | 57.3 | 32.8 | 9.9 | |
| 55–64 | 70.4 | 25.0 | 4.6 | |
| 65 or over | 73.5 | 23.9 | 2.6 | <0.001 |
| Country of birth | ||||
| Australia | 56.3 | 34.4 | 9.3 | |
| Overseas | 55.0 | 34.6 | 10.4 | 0.627 |
| Household Composition | ||||
| Single adult male – no children | 61.2 | 28.5 | 10.3 | |
| Single adult female – no children | 73.5 | 22.4 | 4.0 | |
| Single – with children | 43.1 | 43.1 | 13.9 | |
| Two or more adults – no children | 65.3 | 28.7 | 6.0 | |
| Two or more adults – with children | 45.2 | 41.6 | 13.3 | <0.001 |
| Education | ||||
| Bachelor degree of higher | 62.7 | 31.4 | 5.9 | |
| Diploma | 56.9 | 34.3 | 8.9 | |
| Vocational | 50.6 | 38.3 | 11.1 | |
| No post school qualifications | 52.7 | 35.3 | 12.0 | <0.001 |
| Occupation | ||||
| Professional | 58.8 | 33.1 | 8.1 | |
| White-collar | 50.8 | 38.3 | 10.9 | |
| Blue-collar | 38.9 | 40.3 | 20.9 | |
| Not in labour force | 58.1 | 33.1 | 8.8 | <0.001 |
| Income | ||||
| A$78,000 or more | 62.1 | 32.4 | 5.5 | |
| $52,000 – $77,999 | 51.9 | 37.7 | 10.4 | |
| $36,400 – $51,999 | 53.4 | 36.3 | 10.4 | |
| $20,800 – $36,399 | 51.9 | 35.9 | 12.1 | |
| $20,799 or less | 56.8 | 31.0 | 12.2 | <0.001 |
| Area-level disadvantage | ||||
| Least disadvantaged | 59.3 | 33.9 | 6.8 | |
| Mid disadvantaged | 57.0 | 33.5 | 9.6 | |
| Most disadvantaged | 50.6 | 36.3 | 13.1 | <0.001 |
| Healthy foods time consuming | ||||
| Disagree | 57.4 | 33.8 | 8.8 | |
| Agree | 48.0 | 37.9 | 14.1 | <0.001 |
| Healthy foods aren't tasty | ||||
| Disagree | 57.0 | 34.2 | 8.8 | |
| Agree | 48.2 | 36.6 | 15.2 | <0.001 |
| Health considerations influence food choice | ||||
| Disagree | 41.8 | 39.0 | 19.2 | |
| Agree | 58.2 | 33.7 | 8.1 | <0.001 |