Table 9 The balance tests before and after PSM.

From: The impact of rural living environment improvement programs on the subjective well-being of rural residents in China

Variable

 

Pseudo-R2

LR test

P>chi 2

Mean of standardized bias (%)

Median of standardized bias (%)

B

RLEI

Before matching

0.193

180.75

0.109

47.300

30.800

145.700*

After matching

0.009

14.410

0.000

30.800

23.600

21.800*

  1. *p < 0.1. The year and village dummy variables are already controlled.