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Table 4 Predictors of health service utilization (crude and adjusted robust Prevalence Ratios [PRs] with 95% confidence intervals [CI])

From: Chronic disease prevalence and care among the elderly in urban and rural Beijing, China - a 10/66 Dementia Research Group cross-sectional survey

  Crude PRs (95% CI) Adjusted PRs* (95% CI)
  Urban Rural Urban Rural
Dementia 1.12(0.86-1.45) 2.19(1.05-4.57) 0.94(0.73-1.20) 1.54(0.82-3.06)
Number of limiting physical illnesses     
   None 1 (ref) 1 (ref) 1(ref) 1 (ref)
   1-2 2.32(1.76-2.84) 4.02(2.31-7.00) 2.26(1.79-2.87) 3.82(2.12-6.85)
   3 or more 3.78(2.98-4.81) 8.91(4.52-17.6) 3.74(2.94-4.75) 8.31(4.06-17.0)
Age (per 5 year increment) 1.03(0.96-1.10) 0.93(0.73-1.17) 1.00(0.96-1.08) 0.80(0.61-1.04)
Gender (male vs. female) 0.91(0.79-1.04) 0.87(0.53-1.41) 0.89(0.77-1.03) 0.99(0.58-1.70)
Education (per level) 1.04(0.99-1.09) 0.90(0.77-1.07) 1.02(0.96-1.08) 0.86(0.63-1.19)
Assets (per quarter) 1.28(1.14-1.44) 0.90(0.77-1.05) 1.23(1.09-1.38) 0.84(0.70-1.02)
Any government or occupational pension 1.51(1.10-2.08) 1.31(0.43-3.98) 1.46(1.07-1.99) 1.17(0.39-3.57)
Have health insurance 1.87(1.33-2.62) 1.75(0.90-3.41) 1.94(1.28-2.95) 1.58(0.82-3.06)
  1. * Mutually adjusted for all other exposures in the crude model
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