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Table 2 Relative odds of current asthma by socioeconomic status variables for Indigenous and non-Indigenous Australians aged 18-64 years, 2004-05.*

From: Socioeconomic status and self-reported asthma in Indigenous and non-Indigenous Australian adults aged 18-64 years: analysis of national survey data

  Indigenous
  Adjusted for age and sex
OR (95% CI)†
Adjusted for age, sex, main language and area of residence
OR (95% CI)†
Full model‡
OR (95% CI)†
Main language    
   English 1.0 --- 1.0
   Not English 0.4 (0.3-0.6) --- 0.5 (0.3-0.8)
Highest year of school completed    
   Year 10 or more 1.0 1.0 1.0
   Less than Year 10§ 1.0 (0.8-1.3) 1.1 (0.9-1.4) 1.0 (0.8-1.3)
Highest non-school qualification    
   Bachelor/post-graduate degree 1.0 (0.5-1.9) 0.9 (0.5-1.6) 0.9 (0.4-1.7)
   Diploma 1.1 (0.7-2.0) 1.0 (0.6-1.7) 1.0 (0.5-1.8)
   Certificate 1.2 (0.9-1.6) 1.1 (0.9-1.5) 1.1 (0.8-1.6)
   No qualifications 1.0 1.0 1.0
Employment status    
   Employed 1.0 1.0 1.0
   Unemployed 0.9 (0.6-1.5) 0.9 (0.6-1.5) 0.9 (0.5-1.5)
   Not in the labour force 1.0 (0.8-1.3) 1.1 (0.8-1.4) 1.0 (0.7-1.3)
Housing tenure    
   Owner/purchaser 1.1 (0.8-1.5) 0.9 (0.7-1.2) 1.0 (0.7-1.3)
   Renter/other tenure 1.0 1.0 1.0
Ran out of food and couldn't afford to buy more (last 12 mos)    
   Yes 1.2 (0.9-1.4) 1.3 (1.1-1.7) 1.3 (1.0-1.7)
   No 1.0 1.0 1.0
Equivalised household income quintile||    
   1 (lowest) 0.7 (0.4-1.3) 0.8 (0.5-1.5) 0.7 (0.3-1.4)
   2 0.6 (0.3-1.1) 0.7 (0.4-1.3) 0.6 (0.3-1.2)
   3 0.7 (0.4-1.4) 0.8 (0.4-1.4) 0.7 (0.3-1.4)
   4 0.6 (0.3-1.3) 0.6 (0.3-1.3) 0.6 (0.3-1.3)
   5 (highest) 1.0 1.0 1.0
   Not known/not stated 0.6 (0.3-1.2) 0.8 (0.4-1.4) 0.7 (0.3-1.5)
SEIFA quintile††    
   1 (most disadvantaged) 1.5 (0.4-6.3) 2.1 (0.5-9.3) 2.0 (0.5-8.2)
   2 1.8 (0.4-7.5) 2.1 (0.5-9.3) 2.0 (0.5-8.6)
   3 1.7 (0.4-7.4) 2.0 (0.5-9.2) 2.0 (0.5-8.4)
   4 1.6 (0.4-6.8) 1.8 (0.4-7.9) 1.8 (0.4-7.5)
   5 (least disadvantaged) 1.0 1.0 1.0
Area of residence    
   Major cities 1.0 --- 1.0
   Inner regional 1.0 (0.7-1.4) --- 0.9 (0.7-1.3)
   Outer regional 0.8 (0.5-1.1) --- 0.8 (0.5-1.1)
   Remote or very remote 0.4 (0.3-0.6) --- 0.5 (0.3-0.7)
  Non-Indigenous
  Adjusted for age and sex OR (95% CI)† Adjusted for age, sex, main language and area of residence OR (95% CI)† Full model‡ OR (95% CI)†
Main language    
   English 1.0 --- 1.0
   Not English 0.3 (0.2-0.4) --- 0.3 (0.2-0.4)
Highest year of school completed    
   Year 10 or more 1.0 1.0 1.0
   Less than Year 10§ 1.2 (1.0-1.5) 1.3 (1.1-1.6) 1.2 (1.0-1.5)
Level of highest non-school qualification    
   Bachelor/post-graduate degree 0.9 (0.8-1.1) 1.0 (0.8-1.1) 1.1 (0.9-1.3)
   Diploma 0.8 (0.6-1.1) 0.8 (0.7-1.1) 1.0 (0.7-1.2)
   Certificate 1.0 (0.8-1.2) 1.0 (0.8-1.1) 1.0 (0.9-1.2)
   No qualifications 1.0 1.0 1.0
Employment status    
   Employed 1.0 1.0 1.0
   Unemployed 1.1 (0.7-1.6) 1.2 (0.8-1.7) 1.0 (0.6-1.5)
   Not in the labour force 1.3 (1.1-1.5) 1.4 (1.2-1.6) 1.3 (1.1-1.5)
Housing tenure    
   Owner/purchaser --- --- ---
   Renter/other tenure --- --- ---
Ran out of food and couldn't afford to buy more in last 12 months    
   Yes 1.8 (1.5-2.3) 1.8 (1.4-2.2) 1.5 (1.2-2.0)
   No 1.0 1.0 1.0
Equivalised household income quintile||    
   1 (lowest) 1.3 (1.0-1.6) 1.4 (1.1-1.8) 1.2 (0.9-1.5)
   2 1.2 (0.9-1.5) 1.3 (1.0-1.6) 1.1 (0.9-1.5)
   3 0.9 (0.7-1.1) 1.0 (0.8-1.2) 0.9 (0.7-1.2)
   4 0.9 (0.8-1.1) 1.0 (0.8-1.2) 1.0 (0.8-1.2)
   5 (highest) 1.0 1.0 1.0
   Not known/not stated 0.8 (0.6-1.0) 0.8 (0.6-1.1) 0.8 (0.6-1.1)
SEIFA quintile††    
   1 (most disadvantaged) 1.2 (0.9-1.5) 1.3 (1.0-1.7) 1.2 (0.9-1.5)
   2 1.2 (1.0-1.5) 1.2 (1.0-1.5) 1.1 (0.9-1.4)
   3 1.1 (0.9-1.3) 1.1 (0.9-1.3) 1.0 (0.8-1.3)
   4 1.2 (0.9-1.5) 1.1 (0.9-1.4) 1.1 (0.9-1.4)
   5 (least disadvantaged) 1.0 1.0 1.0
Area of residence    
   Major cities 1.0 --- 1.0
   Inner regional 1.3 (1.1-1.5) --- 1.1 (1.0-1.3)
   Outer regional 1.1 (0.9-1.3) --- 0.9 (0.7-1.2)
   Remote or very remote --- --- ---
  1. * Weighted data from the National Aboriginal and Torres Strait Islander Health Survey 2004-05 confidentialised unit record file (CURF) [14].
  2. † OR, odds ratio; CI, confidence interval. Figures in bold are statistically significant at p < 0.05.
  3. ‡ Full model includes age group, sex and all other variables listed.
  4. § Includes those who never went to school.
  5. || Gross weekly equivalised cash income of household, using the OECD scale [15]. Quintiles are based on national figures.
  6. ** SEIFA, Socioeconomic Index for Areas, Index of Relative Disadvantage. Quintiles are based on national figures.