(1) Both inpatient and outpatient

(2) Outpatient

coeff. (dy/dx)

z-value

coeff. (dy/dx)

z-value

Low

Treatment

0.2009

0.59

0.1742

0.51

Year

0.3211**

2.21

0.4002***

2.65

DID

−0.2036

−0.57

−0.2157

−0.61

Middle

Treatment

0.0083

0.02

0.1141

0.27

Year

0.0080

0.04

0.2587

1.19

DID

−0.0380

−0.09

−0.1250

−0.29

High

Treatment

−3.3793

−0.04

−3.3836

−0.02

Year

−0.2946

−0.46

−0.3574

−0.55

DID

3.0806

0.04

3.1916

0.02

(3) Inpatient

(4) Health examination

coeff. (dy/dx)

z-value

coeff. (dy/dx)

z-value

Low

Treatment

−2.7862

−0.02

−2.2929

−0.02

Year

0.7480**

2.08

1.6868***

4.12

DID

2.7873

0.02

1.9835

0.02

Middle + High

Treatment

−3.5408

−0.02

0.2485

0.45

Year

0.1103

0.29

0.5790*

1.93

DID

2.9547

0.02

−0.5380

−0.94