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Proportion of variance in DISS items explained by factors
| Negative mood | Positive mood/cognition | Fatigue/sleepiness | Alert cognition* | |
|---|---|---|---|---|
| Variance explained |
0.427 |
0.224 |
0.080 |
0.042 |
| Cumulative variance explained | 0.427 | 0.652 | 0.731 | 0.773 |
*Lacked strong factor loadings, but was characterized based on 4 items with largest factor loadings.
DISS daytime symptoms in insomnia scale.
