Table 4.
Model fit indices of the confirmatory factor analysis of the one- and two-factor models
| Global model fit index | Acceptable criterion | 1-factor model | 2-factor model |
|---|---|---|---|
| Absolute fit index | |||
| Likelihood-ratio χ2 | 383.0* | 163.73* | |
| Degree of freedom | - | 54 | 53 |
| Goodness of fit index (GFI) | ≥ 0.90 | 0.829 | 0.935 |
| Adjusted goodness of fit index (AGFI) | ≥ 0.90 | 0.754 | 0.905 |
| Standardized root mean square residual (SRMR) | ≤ 0.08 | 0.063 | 0.063 0.041 |
| Root mean square error of approximation (RMSEA) | ≤ 0.08 | 0.121 | 0.071 |
| Relative fit index | |||
| Normed fit index (NFI) | ≥ 0.90 | 0.890 | 0.953 |
| No normed fit index (NNFI) | ≥ 0.90 | 0.882 | 0.960 |
| Relative fit index (RFI) | ≥ 0.90 | 0.866 | 0.941 |
| Incremental fit index (IFI) | ≥ 0.90 | 0.904 | 0.968 |
| Comparative fit index (CFI) | ≥ 0.90 | 0.904 | 0.968 |
| Parsimony fit index | |||
| Parsimony goodness of fit index (PGFI) | ≥ 0.50 | 0.574 | 0.635 |
| Parsimony normed fit index (PNFI) | ≥ 0.50 | 0.728 | 0.765 |
| Parsimony comparative fit index (PCFI) | ≥ 0.50 | 0.739 | 0.777 |
| Likelihood-ratio χ2 /degree of freedom | ≤ 3 | 7.09 | 3.09 |
*p < 0.001