Table 3 Placebo test results.

From: Impacts of high-speed rail on intercity patient mobility: evidence from chronic kidney disease hospitalization in China

 

(1) 100% fake treatments

(2) 75% fake treatments

(3) 50% fake treatments

(4) 25% fake treatments

HSR

0.038 (0.158)

0.643 (0.449)

0.890. (0.530)

1.117. (0.582)

Socio-economic factors

o_apop

−0.327 (0.223)

0.752 (0.634)

0.628 (0.776)

2.423** (0.891)

o_GDP

1.027. (0.585)

2.003 (1.482)

0.267 (1.589)

−0.176 (1.528)

d_apop

−0.729*** (0.215)

−1.744** (0.610)

−0.951 (0.726)

−0.830 (0.762)

d_GDP

−2.604*** (0.508)

−9.583*** (1.339)

−11.024*** (1.458)

−10.753*** (1.513)

Hospitalization factors

o_hospital

0.999* (0.457)

−0.107 (1.324)

−0.592 (1.496)

−2.071 (1.571)

o_UBMI

0.007 (0.031)

0.043 (0.081)

−0.013 (0.083)

0.045 (0.086)

d_hospital

0.276 (0.464)

−0.382 (1.345)

0.873 (1.654)

1.512 (1.719)

d_UBMI

−0.012 (0.026)

−0.202** (0.070)

−0.157* (0.079)

−0.228** (0.082)

Transportation factors

o_passenger

0.015 (0.069)

−0.057 (0.202)

0.047 (0.222)

0.079 (0.247)

o_bc

−0.453 (0.727)

0.382 (1.758)

0.750 (1.753)

0.230 (1.580)

d_ passenger

0.094 (0.108)

−0.252 (0.290)

0.068 (0.341)

−0.045 (0.344)

d_bc

5.340*** (0.562)

11.056*** (1.435)

13.644*** (1.495)

12.167*** (1.617)

Observations (N)

30000

30000

30000

30000

R2

0.008

0.008

0.010

0.011

F-Statistic

11.378***

11.369***

13.130***

12.462***

Hausman test (χ2)

159.420***

211.300***

102.41***

151.37***

Dicky Fuller test

−72.334***

−74.261***

−69.520***

−70.873***

BG test (χ2)

4037.4***

5852.5***

4861.5***

4955.1***

BP test

6865455.0***

10579319.0***

4085696.0***

4077871.0***

  1. Significant codes: ***<0.001; **<0.01; *<0.05; ·<0.1; the numbers in the () are the S.E. value.