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Table 3 Decomposition of CI in inpatient utilization by hypertensive patients in 2015–2019

From: The changes in socioeconomic inequalities and inequities in health services utilization among patients with hypertension in Pearl River Delta of China, 2015 and 2019

Variables

2015(n = 830)

2019(n = 1166)

dy/dx

Con.

%con.

dy/dx

Con.

%con.

Age(y)

 15–44

Ref.

     

 45–54

0.1159*

−0.0042

−2.10

− 0.0030

0.0001

0.06

 55–64

0.0753

0.0020

1.01

0.0987

−0.0005

− 0.29

 ≧65

0.1323*

0.0018

0.89

0.1700*

0.0157

9.53

 sum

 

−0.0004

− 0.19

 

0.0153

9.30

Sex

 Female

Ref.

     

 Male

− 0.0234

− 0.0014

− 0.71

0.0424

− 0.0016

−1.00

Years of hypertension (y)

 1–4

Ref.

     

 5–9

0.1702*

−0.0007

−0.33

0.0225

−0.0007

− 0.40

 ≧10

0.2387*

0.0061

3.08

0.2009*

0.0116

7.02

 sum

 

0.0055

2.75

 

0.0109

6.62

Economic status

 Poorest

Ref.

     

 Poorer

−0.0109

0.0026

1.30

0.0078

−0.0014

−0.84

 Middle

0.1372*

0.0008

0.41

0.1916*

0.0002

0.11

 Richer

0.1952*

0.0472

23.84

0.3159*

0.0561

34.04

 Richest

0.2418*

0.1128

56.91

0.3818*

0.1341

81.38

 sum

 

0.1634

82.46

 

0.1890

114.68

Educational level

 Primary or below

Ref.

     

 Middle school

0.0182

− 0.0005

− 0.23

0.0181

− 0.0008

− 0.49

 High school

0.0818*

0.0058

2.94

0.0989*

0.0002

0.09

 College or above

0.1790*

0.0114

5.73

0.0913

−0.0006

−0.36

 sum

 

0.0167

8.44

 

−0.0012

−0.75

Employment status

 Unemployed

Ref.

     

 Employed

0.0427

−0.0006

− 0.28

0.0308

− 0.0026

−1.58

Marital status

 Single

Ref.

     

 Married

−0.0031

0.0001

0.03

0.0387

−0.0006

−0.34

Residential location

 Rural

Ref.

     

 Urban

0.0274

0.0032

1.62

0.0363

0.0015

0.92

 Registration

      

 Migrants

Ref.

     

 Locals

0.1007*

0.0175

8.83

0.1237*

0.0033

2.02

Health insurance

 No

Ref.

     

 Yes

0.0225

0.0002

0.11

−0.0181

< 0.0001

−0.02

Time to the nearest health facilities (min)

 ≦15

Ref.

     

  > 15

−0.0732*

0.0110

5.54

−0.0690

0.0006

0.37

  1. Note: (1): Partial effect in probit regression mode; Con.: The absolute contribution of each determinant; %con.: The percentage contribution of each determinant to the total concentration index; (2) *: P < 0.05