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Table 5 The contribution of each independent variable to the inequality in CHE incidence

From: The comparison of catastrophic health expenditure and its inequality between urban and rural households in China

Variables

2012

 

2014

 

Urban households

Rural households

Urban households

Rural households

Contb

Perc

Contb

Perc

Contb

Perc

Contb

Perc

Lagged CHE

–

–

–

–

−0.0115

8.19%

− 0.0157

12.48%

Lnincome

−0.0974

65.79%

−0.0168

15.82%

−0.1124

79.79%

−0.0551

43.72%

Household size

0.0315

−21.28%

−0.0037

3.45%

0.0181

−12.88%

0.0012

−0.98%

Inpatient, yes

−0.0022

1.47%

−0.0095

8.91%

− 0.0055

3.93%

−0.0072

5.71%

Elderly members, yes

−0.0001

0.08%

−0.0033

3.12%

0.0001

−0.04%

−0.0079

6.26%

Chronic diseases, yes

0.0057

−3.86%

0.0016

−1.54%

0.0019

− 1.38%

− 0.0001

0.09%

Supplementary medical insurance, yes

−0.0014

0.98%

−0.0001

0.06%

−0.0021

1.51%

−0.0010

0.78%

Geographic location

 Easta

  Central

−0.0059

3.99%

0.0005

−0.45%

0.0001

−0.04%

−0.0013

0.99%

  West

−0.0012

0.79%

−0.0003

0.29%

0.0074

−5.22%

0.0060

−4.73%

Gender of household head, male

0.0026

−1.75%

−0.0004

0.36%

0.0001

−0.10%

−0.0008

0.65%

Age

−0.0124

8.38%

0.0157

−14.82%

−0.0001

0.04%

0.0083

−6.58%

Age square

0.0148

−9.98%

−0.0302

28.48%

0.0124

−8.78%

−0.0184

14.55%

Education of household head

 Illiteratea

  Primary school

0.0016

−1.06%

0.0017

−1.61%

0.0038

−2.66%

−0.0004

0.34%

  Middle school

0.0015

−1.04%

−0.0079

7.43%

0.0014

−1.01%

−0.0045

3.53%

  High school and above

−0.0315

21.30%

− 0.0135

12.70%

−0.0146

10.34%

−0.0045

3.59%

Marriage of household head, married

0.0000

0.00%

−0.0001

0.04%

−0.0011

0.75%

−0.0003

0.27%

Employment status of household head, employed

0.0010

−0.68%

− 0.0010

0.96%

0.0044

−3.10%

0.0001

−0.10%

Self-assessed health status of household head, healthy

−0.0093

6.25%

−0.0065

6.12%

−0.0079

5.64%

−0.0080

6.38%

Smoking, yes

0.0009

−0.61%

− 0.0002

0.16%

0.0009

−0.61%

−0.0001

0.03%

Drinking, yes

−0.0004

0.29%

−0.0024

2.23%

−0.0007

0.52%

−0.0035

2.81%

Residual variables

−0.0458

30.94%

− 0.0298

28.29%

−0.0356

25.11%

−0.0129

10.21%

Variables

2016

2018

Urban households

Rural households

Urban households

Rural households

Contb

Perc

Contb

Perc

Contb

Perc

Contb

Perc

Lagged CHE

− 0.0088

7.65%

− 0.0225

17.06%

− 0.0129

7.62%

−0.0225

15.01%

Lnincome

−0.0733

63.88%

−0.0459

34.88%

−0.1321

78.02%

−0.0758

50.49%

Household size

0.0259

−22.58%

0.0106

−8.03%

0.0320

−18.91%

0.0058

−3.90%

Inpatient, yes

−0.0174

15.17%

−0.0154

11.71%

−0.0020

1.19%

−0.0078

5.19%

Elderly members, yes

−0.0001

0.09%

−0.0137

10.38%

−0.0025

1.46%

−0.0048

3.21%

Chronic diseases, yes

0.0009

− 0.80%

−0.0015

1.15%

0.0027

−1.60%

− 0.0025

1.66%

Supplementary medical insurance, yes

−0.0032

2.77%

−0.0011

0.83%

−0.0029

1.72%

−0.0025

1.67%

Geographic location

 Eastta

  Central

0.0024

−2.06%

−0.0005

0.42%

−0.0022

1.30%

0.0001

-0.06%

  West

−0.0013

1.09%

0.0010

−0.73%

0.0049

−2.89%

0.0057

−3.81%

Gender of household head, male

0.0011

−0.96%

−0.0011

0.86%

0.0004

−0.24%

0.0000

0.01%

Age

0.0006

−0.52%

0.0149

−11.36%

0.0024

−1.40%

0.0155

−10.32%

Age square

0.0039

−3.36%

−0.0298

22.63%

0.0019

−1.13%

−0.0295

19.63%

Education of household head

 Illiteratea

  Primary school

0.0076

−6.63%

−0.0001

0.01%

−0.0058

3.42%

−0.0003

0.17%

  Middle school

0.0010

−0.86%

−0.0020

1.57%

0.0026

−1.56%

−0.0055

3.68%

  High school and above

−0.0290

25.28%

−0.0033

2.52%

−0.0200

11.80%

−0.0037

2.46%

Marriage of household head, married

0.0002

−0.15%

0.0019

−1.43%

0.0006

−0.35%

0.0030

−1.99%

Employment status of household head, employed

0.0015

−1.31%

−0.0023

1.72%

0.0049

−2.88%

−0.0026

1.71%

Self-assessed health status of household head, healthy

−0.0075

6.51%

−0.0077

5.85%

−0.0085

5.02%

−0.0093

6.20%

Smoking, yes

0.0010

−0.84%

−0.0003

0.24%

−0.0005

0.28%

0.0001

−0.04%

Drinking, yes

−0.0005

0.44%

−0.0008

0.63%

−0.0014

0.80%

−0.0006

0.39%

Residual variables

−0.0198

17.19%

−0.0120

9.09%

−0.0309

18.33%

−0.0129

8.64%

  1. Note: a Reference group; b Contribution to concentration index; c percentage of contribution to concentration index