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Table 1 Socio-demographic characteristics of Indigenous and non-Indigenous Australian adults aged 18-64 years, 2004-05*

From: Socioeconomic disparities in self-reported cardiovascular disease for Indigenous and non-Indigenous Australian adults: analysis of national survey data

  Indigenous % (95% CI)† Non-Indigenous % (95% CI)†
Age (years)   
   18-24 23.1 (21.7-24.4) 15.1 (14.8-15.4)
   25-34 28.4 (27.7-29.0) 22.4 (22.3-22.6)
   35-44 24.0 (23.5-24.5) 23.5 (23.4-23.7)
   45-54 16.1 (15.7-16.4) 22.0 (21.8-22.1)
   55-64 8.5 (7.1-9.9) 17.0 (16.9-17.1)
Male 46.8 (45.6-47.9) 49.8 (49.6-50.1)
Highest year of school completed   
   Year 12 23.5 (21.2-25.8) 52.5 (51.2-53.8)
   Year 11 13.0 (11.7-14.4) 10.9 (10.3-11.6)
   Year 10 31.2 (29.4-33.1) 24.7 (23.7-25.7)
   Year 9 13.9 (12.5-15.3) 6.3 (5.8-6.7)
   Year 8 or less 17.3 (15.7-18.9) 5.4 (4.8-5.9)
   Never went to school 1.1 (0.5-1.6) 0.2 (0.1-0.3)
Level of highest nonschool qualification   
   Bachelor's degree or higher 4.8 (3.7-5.8) 20.8 (19.9-21.7)
   Diploma 4.7 (3.7-5.7) 9.7 (9.1-10.3)
   Certificate 24.2 (22.2-26.1) 26.0 (25.0-27.1)
   No qualifications 66.4 (64.1-68.6) 43.5 (42.5-44.5)
Employment status   
   Employed 54.7 (52.2-57.1) 76.1 (75.3-76.8)
   Unemployed 8.1 (6.9-9.2) 3.0 (2.7-3.4)
   Not in the labor force 37.3 (35.0-39.6) 20.9 (20.1-21.7)
Housing tenure   
   Owner/purchaser 24.7 (22.1-27.3) n/a‡
   Renter or other tenure 75.3 (72.7-77.9) n/a‡
Equivalized household income quintile§   
   1 (lowest) 33.7 (31.4-36.1) 11.3 (10.7-11.9)
   2 21.6 (19.7-23.6) 13.1 (12.5-13.8)
   3 14.3 (12.4-16.1) 16.9 (16.1-17.6)
   4 9.4 (7.7-11.2) 19.5 (18.7-20.2)
   5 (highest) 5.2 (4.0-6.4) 21.7 (20.7-22.7)
   Not known/not stated 15.6 (13.6-17.6) 17.5 (16.6-18.4)
SEIFA quintile||   
   1 (most disadvantaged) 49.3 (43.7-55.0) 17.1 (15.7-18.5)
   2 19.3 (15.2-23.3) 19.0 (17.4-20.7)
   3 18.5 (14.3-22.7) 20.3 (18.4-22.2)
   4 9.0 (6.4-11.6) 21.3 (19.5-23.0)
   5 (least disadvantaged) 3.9 (2.2-5.7) 22.3 (20.0-24.7)
Remoteness category**   
   Major cities 30.6 (29.1-32.0) 70.2 (68.6-71.8)
   Inner regional 20.1 (19.0-21.3) 19.5 (17.9-21.0)
   Outer regional 21.5 (20.4-22.5) 10.4 (9.2-11.5)
   Remote or very remote 27.8 (26.3-29.4) ---
Smoking status   
   Current smoker 53.5 (51.2-55.8) 25.7 (24.8-26.7)
   Former smoker 16.8 (15.1-18.5) 23.2 (22.4-24.1)
   Never smoker 29.7 (27.6-31.9) 51.0 (49.7-52.3)
  1. * Source: Weighted data from the National Aboriginal and Torres Strait Islander Health Survey 2004-05 confidentialized unit record file (CURF) [17].
  2. † CI, confidence interval. Proportions are weighted to provide population estimates. Totals are based on those with nonmissing data, except for equivalized household income, for which a separate category is shown.
  3. ‡ n/a, not available.
  4. § Gross weekly equivalized cash income of household, using the OECD scale [18]. Quintiles were determined based on all-Australian figures. That is, the same categories were used for both Indigenous and non-Indigenous respondents.
  5. || SEIFA, Socioeconomic Index for Areas, based on the 2001 Socioeconomic Indexes for Areas (SEIFA) Index of Disadvantage score for the census collection district of the selected dwelling [18]. Quintiles were determined based on all-Australian figures. That is, the same categories were used for both Indigenous and non-Indigenous respondents.
  6. ** Classified according to the Australian Standard Geographical Classification remoteness classification (based on the ARIA+ index) [18].