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Table 4 Multivariate logistic regressions of factors associated with underreporting

From: Characterising the extent of misreporting of high blood pressure, high cholesterol, and diabetes using the Australian Health Survey

  High blood pressure High cholesterol Diabetes
OR 95 % CI OR 95 % CI OR 95 % CI
Sex
 Male 1.0 (ref)   1.0 (ref)   1.0 (ref)  
 Female 1.1 (0.8–1.4) 1.3 (0.9–1.8) 0.6 (0.3–1.3)
Age group
 18–44 years 1.0 (ref)   1.0 (ref)   Not in model
 45–64 years 0.4 (0.2–0.6)*** 0.5 (0.3–0.7)**
 65+ 0.2 (0.1–0.3)*** 0.5 (0.3–0.8)*
Equivalised household income
 Quintile 1 (lowest income) Not in model Not in model 1.0 (ref)  
 Quintile 2 1.0 (0.4–2.7)
 Quintile 3 3.7 (1.3–10.7)*
 Quintile 4 2.4 (0.8–7.1)
 Quintile 5 (highest income) 2.7 (0.8–8.8)
IRSD (area-level disadvantage)
 Quintile 1 (highest disadvantage) Not in model Not in model 1.0 (ref)  
 Quintile 2 1.9 (0.7–5.6)
 Quintile 3 0.8 (0.3–2.7)
 Quintile 4 2.2 (0.7–7.1)
 Quintile 5 (lowest disadvantage) 3.7 (1.3–11.0)*
Education level
 Year 9 or below 1.0 (ref)   1.0 (ref)   Not in model
 Year 10 or equivalent 0.9 (0.6–1.4) 1.1 (0.7–1.8)
 Year 11 or equivalent 1.7 (1.0–3.0) 1.3 (0.7–2.3)
 Year 12 or equivalent 1.0 (0.7–1.6) 1.5 (0.9–2.3)
English Proficiency
 Fluent Not in model 1.0 (ref)   1.0 (ref)  
 Not fluent 0.6 (0.3–1.1) 3.6 (0.9–14.5)
p-value of model p < 0.001 p < 0.01 p < 0.001
  1. Notes: CI confidence interval, IRSD Index of Relative Socio-economic Disadvantage, OR odds ratio, ref reference group
  2. *Group significantly different from reference group (p < 0.05)
  3. **Group significantly different from reference group (p < 0.01)
  4. ***Group significantly different from reference group (p < 0.001)