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Table 6 Regression analysis of annual inpatient expenditures for hypertensive and diabetic patients in 2011 and 2012

From: Financial protection of rural health insurance for patients with hypertension and diabetes: repeated cross-sectional surveys in rural China

  Hypertension Diabetes
β (95 % CI) β (95 % CI)
Constant 8508.9 (−5438.1, 22455.8) 5043.1 (−1708.6, 11794.9)
Sex
 Male (Reference) 0 0
 Female −3396.7 (−6779.5, −13.8)* 216.3 (−1299.4, 1732.0)
Age −47.4 (−197.1, 102.3) −10.8 (−79.2, 57.7)
Education level
 Non-illiterate (Reference) 0 0
 Illiterate −1664.7 (−5359.6, 2030.2) −1208.6 (−2633.1, 215.8)
NCMS premium 27.0 (−11.1, 65.0) 5.2 (−12.5, 22.9)
Year
 2011 (Reference) 0 0
 2012 245.1 (−3619.6, 4109.7) −889.4 (−2739.2, 960.4)
Adjusted R-squared 0.057* 0.006
  1. *: 0.01 < P < 0.05; **: P < 0.01