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Stepwise hierarchical regression predicting fatigue with disease duration, sleep, and depression as the independent variables.
| B | SE (B) | β | R2 | |
|---|---|---|---|---|
| Step 1 | ||||
| PSQI | 1.95 | 0.32 | 0.51** | 0.25 |
| Step 2 | ||||
| PSQI | 1.80 | 0.31 | 0.47** | |
| CMDIME | 0.24 | 0.07 | 0.28** | 0.32 |
PSQI, Pittsburgh sleep quality index global score; CMDIME, Chicago multiscale depression inventory mood and evaluative subscales.
**Significant at the 0.01 level.
