Table 3.
Demographic comparison between NWAHCS and other comparable survey
| NWAHCS |
SAMSS (NW Adelaide Study area) |
Chi-square value | P value | |||
| n | % | n | % | |||
| Highest education level obtained | Self completed | Telephone | 287.97 | <0.001 | ||
| Secondary | 1751 | 45.3 | 1742 | 60.1 | * | |
| Trade / Apprenticeship / Certificate / Diploma | 1641 | 42.4 | 659 | 22.7 | * | |
| Bachelor degree or higher | 475 | 12.3 | 500 | 17.2 | * | |
| Total | 3867 | 100.0 | 2901 | 100.0 | ||
| Marital status | Self completed | Telephone | 1.76 | 0.62 | ||
| Married or living with partner | 2525 | 62.7 | 1830 | 63.1 | ||
| Separated/divorced | 331 | 8.2 | 242 | 8.3 | ||
| Widowed | 232 | 5.8 | 183 | 6.3 | ||
| Never married | 940 | 23.3 | 647 | 22.3 | ||
| Total | 4028 | 100.0 | 2903 | 100.0 | ||
| Work status | Self completed | Telephone | 6.72 | 0.08 | ||
| Employed | 2266 | 56.5 | 1633 | 56.2 | ||
| Unemployed | 173 | 4.3 | 128 | 4.4 | ||
| Student | 223 | 5.6 | 124 | 4.3 | ||
| Home duties, retired, other | 1349 | 33.6 | 1019 | 35.1 | ||
| Total | 4011 | 100.0 | 2904 | 100.0 | ||
| Country of birth | Self completed | Telephone | 8.67 | 0.03 | ||
| Australia | 2865 | 70.6 | 2114 | 72.8 | * | |
| UK or Ireland | 645 | 15.9 | 389 | 13.4 | * | |
| Europe, The USSR & the Baltic States | 332 | 8.2 | 249 | 8.6 | ||
| Asia, Other | 217 | 5.4 | 153 | 5.3 | ||
| Total | 4060 | 100.0 | 2904 | 100.0 | ||
| Gross annual household income | Self completed | Telephone | 16.24 | <0.001 | ||
| Up to $40,000 | 1910 | 50.2 | 1239 | 49.4 | ||
| $40,001 – $80,000 | 1399 | 36.8 | 858 | 34.2 | * | |
| More than $80,000 | 492 | 13.0 | 414 | 16.5 | * | |
| Total | 3802 | 100.0 | 2510 | 100.0 | ||
* denotes the category was statistically significantly different compared with SAMSS using adjusted standardized residuals greater than 2.0 and less than -2.0 (χ2 test)