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Table 4 Decomposition of Concentration Index of the EQ-5D Scores between respondents with and without contracted family physician

From: The effects of family physician-contracted service on health-related quality of life and equity in health in China

 

Before matching

After matching

With contracted family physician

Without contracted family physician

With contracted family physician

Without contracted family physician

Variables

 

dy/dx

con.

%con.

dy/dx

con.

%con.

dy/dx

con.

%con.

dy/dx

con.

%con.

Sex

Female

0.009

<  0.001

0.150

− 0.034*

<  0.001

− 0.453

0.017

<  0.001

− 0.486

− 0.048

<  0.001

0.633

Age group

45–59 years

− 0.118***

− 0.002

− 26.518

− 0.077***

− 0.001

−4.627

− 0.133***

− 0.002

−29.125

− 0.068

− 0.001

− 5.577

 

60 years and above

− 0.160***

0.003

40.722

− 0.131***

0.002

17.125

−0.195***

0.008

90.490

−0.130*

0.005

20.808

Chronic conditions

Yes

−0.211***

−0.001

−14.140

− 0.184***

0.001

6.144

−0.195***

− 0.001

−9.299

−0.169***

<  0.001

− 1.833

Economic status

Poorer

0.026

−0.002

−26.701

0.031

−0.003

− 18.485

0.007

−0.001

−6.252

0.041

−0.003

−13.158

Middle

0.062**

0.001

14.007

0.044

−0.001

−6.334

0.042

0.001

12.373

0.066

0.002

6.493

Richer

0.056*

0.006

76.268

0.100***

0.009

64.278

0.001

<  0.001

1.964

0.091*

0.011

40.612

Richest

0.062*

0.008

95.330

0.102***

0.018

132.104

0.045

0.006

68.097

0.115**

0.015

58.622

Educational level

Junior middle school

0.119***

0.001

12.989

0.105***

−0.005

−34.065

0.136***

0.001

10.376

0.092**

0.001

2.664

 

Senior middle school

0.096***

0.003

40.052

0.157***

0.006

45.973

0.121***

0.005

63.600

0.148***

0.007

25.668

 

College or above

0.182 ***

0.007

85.576

0.164***

0.012

87.094

0.125*

0.007

79.435

0.126**

0.007

27.006

Marital status

Married

−0.036

−0.001

−10.310

−0.039

−0.001

−5.762

− 0.159*

− 0.003

−41.147

− 0.025

−0.001

−2.211

Other

−0.093 *

0.001

8.458

−0.150***

0.002

15.067

−0.217**

0.003

39.375

−0.167*

0.003

11.104

Employment status

Employed

0.071***

<  0.001

2.135

0.043*

−0.001

−5.354

0.056**

<  0.001

−0.691

0.040

<  0.001

−0.191

Basic Medical Insurance

URRBMI

−0.020

0.002

22.316

0.026

−0.004

−25.883

−0.028

0.003

41.146

−0.006

0.001

2.907

Commercial insurance

Yes

0.069**

0.002

19.545

−0.009

<  0.001

−1.125

0.064

0.001

16.933

0.012

<  0.001

1.077

Minimum travel time to the nearest health-care facility

Within 15 min

0.066*

0.001

17.622

0.065

0.001

5.239

0.049

0.001

11.538

0.173***

0.003

13.210

Residential areas

Urban

−0.019

−0.001

−14.754

0.075***

0.003

24.738

−0.019

−0.002

−20.454

0.071**

0.007

26.298

C

  

0.008

  

0.014

  

0.008

  

0.026

 

Age-sex C

  

0.007

  

0.012

  

0.003

  

0.022

 
  1. Note: dy/dx: Partial effect in Tobit regression model; Con.: The absolute contribution of each determinant (\( {Q}_k={\beta}_k\frac{{\overline{x}}_k}{\mu }{C}_k \)); %con.: The percentage contribution of each determinant to the total concentration index (100Qk/C)
  2. *p < 0.05, **p < 0.01, ***p < 0.001