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Table 1 Validity test and correlation test presented of people

From: Does the medical insurance system really achieved the effect of poverty alleviation for the middle-aged and elderly people in China? Characteristics of vulnerable groups and failure links

Instrumental variableDWH TestOver-identification TestF TestRedundancy Test
Community participation ratechi2 [1]=4.0201
(p = 0.0450 < 0.05)*
chi2 [1]=0.1053
(p = 0.7455 > 0.05)*
F = 35.9921 > 10Chi-sq [1] =0.0000*
Self-assessment healthChi-sq [1] =0.6096