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. 2020 Jul 25;20:689. doi: 10.1186/s12913-020-05546-2

Table 2.

model fit of the existing model, a one-factor model and the modified model

Model Chi-squared Df normed Chi-squared RMSEA SRMR CFI/TLI AIC
existing model 486.949 270 1.804

0.082

90% CI [0.070–0.093]

0.115 0.646/0.606 6778.084
one-factor model 535.334 275 1.947

0.089

90% CI [0.078–0.100]

0.103 0.575/0.536 6816.469
modified model 410.814 247 1.663

0.074

90% CI [0.061–0.087]

0.092 0.723/0.690 6409.801

*Df degrees of freedom, normed Chi-squared is calculated Chi-squared/df, RMSEA root mean square error of approximation, SRMR standardized root mean squared residual, CFI Bentler’s Comparative Fit Index, TLI Tucker-Lewis Index, AIC Akaike’s Information Criterion