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Elderly sleep quality model fitting indices.
| Model fit index | Rate | Criterion | Interpretation |
|---|---|---|---|
| X2 | 2.66 | <5 | Optimal fitting |
| Df | 8 | - | Optimal fitting |
| CFI | 0.98 | >0.9 | Optimal fitting |
| NFI | 0.97 | >0.9 | Optimal fitting |
| GFI | 0.99 | >0.9 | Optimal fitting |
| TLI | 0.96 | >0.9 | Optimal fitting |
| RMSEA | 0.053 | <0.08 | Optimal fitting |
| R2 | 0.99 | Near to 1 | Optimal fitting |
