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. 2021 Aug 9;21:394. doi: 10.1186/s12888-021-03399-5

Table 4.

Measurement Invariance for Different Groups (N = 367)

Model χ2 (df) CFI TLI AIC BIC RMSEA (90% CI) SRMR Decision
Basic model 0.972 0.963 7326.450 7341.837 0.083 0.034 Accept
Age Model Basic model 0.969 0.958 7336.546 7578.679 0.088 0.037 Accept
Configural Invariance 68 1.000 0.999 0.009(0.000–0.045) 0.036 Accept
Scalar Invariance 76 0.996 0.996 0.022(0.000–0.049) 0.045 Accept
Metric Invariance 84 0.996 0.996 0.021(0.000–0.047) 0.046 Accept
Strict invariance 94 0.995 0.995 0.023(0.000–0.047) 0.056 Accept
Gender Model Basic model 0.967 0.956 7340.083 7582.215 0.091 0.040 Accept
Configural Invariance 68 0.996 0.994 0.024(0.000–0.051) 0.039 Accept
Scalar Invariance 76 0.995 0.994 0.025(0.000–0.050) 0.043 Accept
Metric Invariance 84 0.996 0.996 0.021(0.000–0.047) 0.044 Accept
Strict invariance 94 0.995 0.995 0.023(0.000–0.047) 0.053 Accept

Note: age model: N = 367, Younger group n = 284, Older group n = 83; gender model: N = 367, Male group n = 293, Female group n = 74; CFI Comparative Fit Index, TLI Tucker-Lewis Index, AIC Akaike, BIC Sample-size adjusted Bayesian, RMSEA Root Mean Square Error of Approximation, SRMR Standardized Root Mean Square Residual