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Table 9 Separations per individual, by socioeconomic disadvantage of area, Perth residents, 1994–1998

From: Unpacking analyses relying on area-based data: are the assumptions supportable?

Separations per person Quintile 1 Quintile 2 Quintile 3 Quintile 4 Quintile 5 Total Ratio of rates in Q5/Q1
  Per cent
1 19.4 19.3 19.5 19.4 22.4 100.0 ..
2+ 18.0 18.2 19.0 19.8 25.0 100.0 ..
Total 18.8 18.8 19.3 19.6 23.6 100.0 ..
  Rate per 100 000 population
1 28 231 28 165 28 331 28 561 32 790 29 215 1.16***
2+ 21 897 22 146 23 006 24 236 30 389 24 332 1.39***
Total 50 128 50 311 51 337 52 797 63 180 53 547 1.26***
  Average admissions per person with two or more admissions
Number 4.2 4.1 4.3 4.4 4.7 4.4 1.12***
  1. The extent of any inequality is shown by the rate ratio, which expresses the ratio of the rate in Quintile 5 to the rate in Quintile 1; rate ratios differing significantly from 1.0 are shown with * p < 0.05; ** p < 0.01; *** p < 0.001.