Table 3 Global fitting effect of multi-group structural equation model

Leading hospital

244.166

83

0.943

0.927

0.117

0.080

Subordinate hospital

195.893

83

0.941

0.925

0.097

0.065

Unconstrained

440.066

166

0.942

0.926

0.076

0.073

Measurement weights

454.915

176

0.941

0.929

0.074

0.077

Structural weights

472.753

180

0.938

0.927

0.075

0.079

Structural covariances

509.755

186

0.931

0.922

0.078

0.153

Structural residuals

511.704

188

0.931

0.923

0.077

0.156