Table 1 Sociodemographic profile of each dataset - number and proportion of records in each sociodemographic category
From: Sociodemographic differences in linkage error: an examination of four large-scale datasets
NSW Emergency | NSW Hospital | SA Emergency | WA Hospital | |
|---|---|---|---|---|
Total | 4,304,459 (100%) | 19,874,083 (100%) | 813,839 (100%) | 6,772,949 (100%) |
Remoteness | ||||
Major Cities | 2,868,504 (67%) | 14,351,493 (72%) | 690,399 (85%) | 5,045,362 (74%) |
Regional | 1,367,635 (32%) | 5,263,797 (26%) | 54,665 (7%) | 1,199,149 (18%) |
Remote | 12,250 (0%) | 137,540 (1%) | 6333 (1%) | 498,850 (7%) |
Sex | ||||
Male | 2,178,168 (51%) | 9,346,451 (47%) | 386,176 (47%) | 3,184,925 (47%) |
Female | 2,125,422 (49%) | 10,526,591 (53%) | 427,645 (53%) | 3,588,021 (53%) |
Socioeconomic Status | ||||
Most Disadvantaged | 1,155,081 (27%) | 4,133,693 (24%) | 212,613 (26%) | 1,723,482 (26%) |
2 | 833,405 (19%) | 3,574,267 (21%) | 172,838 (21%) | 1,468,495 (22%) |
3 | 974,884 (23%) | 3,220,110 (19%) | 154,871 (19%) | 1,256,879 (19%) |
4 | 705,006 (16%) | 3,133,389 (18%) | 129,227 (16%) | 1,128,067 (17%) |
Least Disadvantaged | 563,326 (13%) | 3,285,911 (19%) | 103,915 (13%) | 1,149,271 (17%) |
Year of birth | ||||
< 1950 | 1,431,527 (33%) | 9,726,134 (49%) | 269,257 (33%) | 3,164,258 (47%) |
1950–1979 | 1,849,952 (43%) | 6,460,872 (33%) | 353,815 (43%) | 2,535,776 (37%) |
1980+ | 1,022,980 (24%) | 3,686,298 (19%) | 190,767 (23%) | 1,072,915 (16%) |