Fitting indexes before and after the model modification
| Indexes | χ2/df | RMR | GFI | CFI | IFI | NFI | RMSEA |
| Before modification | 2.478 | 0.09 | 0.851 | 0.938 | 0.938 | 0.900 | 0.069 |
| After modification | 1.697 | 0.039 | 0.912 | 0.972 | 0.972 | 0.934 | 0.048 |
| Reference standards | 1–3 | <0.05 | >0.90 | >0.90 | >0.90 | >0.90 | <0.05 very good <0.08 good <0.10 fair |