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Table 3 ICOC elasticity for treatment cost estimates with 1–3 years lagged

From: The cost-saving effect of continuity of care (COC): an analysis of institutional COC on diabetic treatment costs using panel 2SLS regressions

  

ICOC elasticity

 
  

OP costs

 

IP costs

 

Total

costs

 

OLS model

lag 1 year

-0.02

(0.004)

*

0.08

(0.03)

**

-0.01

(0.006)

*†

 

lag 2 years

0.01

(0.005)

†

0.23

(0.03)

*

0.04

(0.01)

*

 

lag 3 years

0.03

(0.005)

*

0.22

(0.04)

*

0.06

(0.007)

*

2SLS model

lag1 year

1.07

(0.21)

*

-23.32

(2.83)

*

-1.93

(0.32)

*

 

Weak Instrument

(Anderson-Rubin Wald test F)

37.72

*

351.86

*

65.52

*

 

Wald test for endogeneity χ2(1)

39.51

*

353.67

*

61.78

*

 

lag 2 years

-0.34

(0.18)

 

-12.07

(1.94)

*

-1.94

(0.34)

*

 

Weak Instrument

(Anderson-Rubin Wald test F)

3.85

†

83.24

*

58.98

*

 

Wald test for endogeneity χ2(1)

4.09

†

86.45

*

61.43

*

 

lag 3 years

-0.89

(0.22)

*

-0.20

(1.51)

 

-0.91

(0.31)

*

 

Weak Instrument

(Anderson-Rubin Wald test F)

22.22

*

0.02

 

10.40

*

 

Wald test for endogeneity χ2(1)

23.59

*

0.08

 

11.78

*

  1. Note: *: p-value < 0.01; †: p-value < 0.05