Table 3.
The relationship between selected demographic factors and underestimation of Aboriginal status in hospital morbidity and death records
| Aboriginal positive | ||
|---|---|---|
| Demographic, n (%; 95% confidence interval) | Index event | Underestimate if ever-identified |
| Gender | ||
| male | 1555 | 1835 (18; 16-20) |
| female | 1505 | 1806 (20; 18-22) |
| Age (years) | ||
| 0-34 | 421 | 450 (7; 4-9) |
| 35-64 | 2002 | 2242 (12; 11-13) |
| 65+ | 637 | 943‡ (48; 44-52) |
| SEIFA code* | ||
| 1 most disadvantaged | 930 | 995 (7; 5-9) |
| 2 | 894 | 1028 (15; 13-18) |
| 3 | 616 | 801 (30; 26-33) |
| 4 | 516 | 650 (26; 22-30) |
| 5 least disadvantaged | 104 | 160‡ (54; 44-63) |
| ARIA code# | ||
| 1 metropolitan | 623 | 866 (39; 35-43] |
| 2 urban | 302 | 495 (64; 59-70) |
| 3 rural | 525 | 745 (42; 37-46) |
| 4 remote | 599 | 677 (13; 10-16) |
| 5 very remote | 1070 | 1134‡ (6; 4-7) |
‡Chi-square analysis p < 0.0001; *SEIFA = Socio-economic Indexes for Areas (relative disadvantage is associated with a low number); #ARIA = Accessibility and Remoteness Index of Australia (remoteness is associated with a high number).