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Table 6 The processing effect of propensity score matching

From: Association between the location of social medical insurance and social integration among China’s elderly rural migrants: a nationwide cross-sectional study

Methods

ATT

SD

z

P value

K-neighbor matching(k = 4, caliper = 0.02)

6.47

2.017

1.960

0.049

Radius caliper l matching(caliper = 0.01)

6.52

1.749

2.010

0.003

Kernel caliper matching (caliper = 0.01)

6.47

1.635

2.350

0.019

  1. SD Standard deviations