| Comparative Fit Index (CFI) | Tucker-Lewis Index (TLI) | RMSEAa | SRMRb |
All | 0.999 | 0.999 | 0.020 | 0.0023 |
South | 0.999 | 0.998 | 0.019 | 0.0023 |
East | 0.999 | 0.998 | 0.021 | 0.0025 |
Western | 0.999 | 0.999 | 0.020 | 0.0021 |
North | 0.999 | 0.999 | 0.019 | 0.0021 |
Urban | 0.999 | 0.998 | 0.021 | 0.0025 |
Rural | 0.999 | 0.999 | 0.019 | 0.0020 |
Primary | 0.999 | 0.999 | 0.018 | 0.0022 |
Junior | 0.999 | 0.998 | 0.022 | 0.0029 |
High | 0.999 | 0.998 | 0.022 | 0.0027 |
Recommended threshold | ≥0.90 | ≥0.90 | ≤0.08 | ≤0.08 |