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Loadings factors Index to explore two factors in components of the Pittsburgh Sleep Quality (PSQI) in depressed patients.
| Variable | Primary factor: general quality | Second factor: sleep efficiency |
|---|---|---|
| The first component | 748.0 | |
| The second component | 519.0 | 597.0 |
| The third component | 437.0 | |
| The fourth component | 610.0 | 672.0 |
| The fifth component | 641.0 | |
| The sixth | 572.0 | |
| The seventh | 787.0 |
