Table 3.
Tests of structural invariance.
| Types | Model | χ2 | df | GFI | CFI | RMSEA | SRMR | ΔCFI | ΔRMSEA |
|---|---|---|---|---|---|---|---|---|---|
| Gender | |||||||||
| Mediation effect model |
Model 1 | 1002.892*** | 260 | 0.914 | 0.915 | 0.048 | 0.072 | ||
| Model 2 | 1017.210*** | 274 | 0.913 | 0.915 | 0.046 | 0.073 | 0.000 | 0.002 | |
| Model 3 | 1024.644*** | 279 | 0.912 | 0.915 | 0.046 | 0.073 | 0.000 | 0.000 | |
| Model 4 | 1024.951*** | 280 | 0.912 | 0.915 | 0.046 | 0.076 | 0.000 | 0.000 | |
| Age | |||||||||
| Mediation effect model |
Model 1 | 1034.429*** | 260 | 0.913 | 0.911 | 0.049 | 0.065 | ||
| Model 2 | 1045.125*** | 274 | 0.912 | 0.911 | 0.047 | 0.065 | 0.000 | 0.002 | |
| Model 3 | 1054.435*** | 279 | 0.911 | 0.911 | 0.047 | 0.068 | 0.000 | 0.000 | |
| Model 4 | 1067.364*** | 280 | 0.910 | 0.909 | 0.047 | 0.068 | 0.002 | 0.000 |
***p < 0.001; Model 1: baseline model, free estimation of each parameter; Model 2: the constraint factor load was equal between groups; Model 3: the constraint factor variance–covariance was equal between groups; Model 4: the limit of measurement residuals was equal between groups.