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Table 3 Decomposition of inequality in CHE (40% threshold)

From: Can the reform of integrating health insurance reduce inequity in catastrophic health expenditure? Evidence from China

Variables

Households covered by URRBMI

Households covered by URBMI or NCMS

βk

P-value

CIk

Contribution to CI(%)

βk

P-value

CIk

Contribution to CI (%)

Household including hospitalized member

 Yes vs. No

0.248**

< 0.001

0.134

−84.53

0.216**

< 0.001

0.108

−48.21

Household including member with chronic disease

 Yes vs. No

0.076**

< 0.001

0.009

−3.63

0.080**

< 0.001

0.001

−0.17

Households including members aged above sixty years

 Yes vs. No

0.041**

< 0.001

− 0.120

28.27

0.045**

< 0.001

−0.131

23.54

Households including member aged below five years

 Yes vs. No

0.021*

0.045

0.025

−1.16

−0.004

0.52

0.028

0.24

Preferred institution grade for common diseases

 Primary hospital vs. Non-primary hospital

−0.014

0.14

−0.036

−5.53

− 0.018

0.047

− 0.024

−3.73

 Family economic level quintile

   

28.65

   

37.28

 Quintile II vs. Quintile I

0.009

0.30

−0.399

 

−0.017*

0.008

−0.398

 

 Quintile III vs. Quintile I

0.005

0.62

0.001

 

−0.016*

0.017

0.002

 

 Quintile IV vs. Quintile I

−0.021*

0.03

0.400

 

−0.044**

< 0.001

0.400

 

 Quintile V vs. Quintile I

0.001

0.93

0.800

 

−0.012

0.08

0.800

 

Household size

   

45.41

   

18.58

  < =2 vs. > = 5

0.173**

< 0.001

−0.070

 

0.127**

< 0.001

− 0.054

 

 3–4 vs. > = 5

0.082**

< 0.001

0.050

 

0.057**

< 0.001

0.055

 

Gender of household head

 Male vs. Female

0.017*

0.02

0.002

−0.38

0.029**

< 0.001

−0.013

2.66

Marital status of household head

 Married vs. Unmarried and others

−0.017

0.043

0.038

6.68

−0.020*

0.002

0.037

5.66

Educational level of household head

   

41.71

   

22.08

 Primary school vs. None

−0.029**

< 0.001

−0.057

 

−0.040**

< 0.001

− 0.080

 

 Junior middle school vs. None

−0.067**

< 0.001

0.101

 

−0.057**

< 0.001

0.089

 

 Senior high school or above vs. None

−0.074**

< 0.001

0.211

 

−0.055**

< 0.001

0.243

 

Type of medical insurance scheme

 NCMS vs. URBMI

–

–

–

–

0.033**

< 0.001

− 0.030

8.04

Region of household

   

3.59

   

3.77

 East vs. West

−0.040**

< 0.001

0.020

 

−0.010

0.07

0.050

 

 Middle vs. West

−0.067**

< 0.001

− 0.013

 

− 0.029**

< 0.001

0.025

 

Employment status of household head

   

18.93

   

12.07

 Employed vs. Unemployed and others

−0.068**

< 0.001

0.025

 

−0.079**

< 0.001

0.019

 

 Retired vs. Unemployed and others

−0.040*

0.002

0.173

 

−0.015

0.16

0.212

 

Residence

 Rural vs. Urban

0.037**

< 0.001

−0.077

24.41

0.023**

< 0.001

−0.056

8.51

  1. * indicates that the difference was statistically significant *P < 0.05 **P < 0.01
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International Journal for Equity in Health

ISSN: 1475-9276

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