Table 5 The impacts of UZMDP on outpatient services utilization and expenditures (DID model)

Intercept

-0.073

0.037

1,478.000***

169.1

-1,254.000***

80.74

-1,119.000***

34.22

-627.924***

21.896

-1,766

1,322

UZMDP adoption

0.094***

0.018

158.3

93.62

-1,262.000***

43.04

29.2

15.1

-12.033

11.745

143.500***

16.05

Year

-0.035*

0.015

-23.01

81.56

1,568.000***

37.48

13.54

14.15

17.507

11.049

-33.500*

15.3

Group

0.041**

0.013

-81.460***

68.05

630.700***

31.72

343.000***

11.07

222.769***

8.685

217.2

11.34

Age (year)

0.001***

0.000

8.763***

1.366

1.802**

0.631

-0.926***

0.175

-1.691***

0.132

-0.345*

0.163

Annual income

 0 - 20,000 CNY

REF

REF

REF

REF

REF

REF

REF

REF

REF

REF

REF

REF

 20,000 - 40,000 CNY

-0.160***

0.016

-671.100***

87.76

-200.800***

40.23

-3.361

10.98

-4.903

8.489

-39.150***

9.828

 40,000 - 60,000 CNY

-0.012

0.018

-848.600***

96.99

-41.35

44.39

-3.832

11.99

-3.874

9.243

-19.86

10.73

 ≥ 60,000 CNY

0.080***

0.018

-585.600***

98.39

119.200**

45.01

-1.436

12.16

-9.578

9.359

11.31

10.83

Gender

 Female

REF

REF

REF

REF

REF

REF

REF

REF

REF

REF

REF

REF

 Male

0.037***

0.008

456.500***

42.14

26.41

19.4

-49.670***

5.284

-36.485***

4.039

-20.150***

4.827

Type of health insurance

 Residents

REF

REF

REF

REF

REF

REF

REF

REF

REF

REF

REF

REF

 Employees

1.310***

0.029

-435.600***

111.8

412.400***

55.39

602.400***

28.65

276.711***

16.413

1,250

1,322

 Retired veteran cadres

2.627***

0.042

17,400.000***

217.2

10,590.000***

99.71

-544.5

1,627

-509.056

1,718.69

199.1

4,709

 Regression diagnostics^b

0.000/1.000/0.000

0.013

0.026

0.021

0.019

0.023