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Mixed effects model results on mood and sleep quality scores and within-person normalized mood and sleep quality scores.
| Predictor | Raw scores | Within-person normalized scores | ||
| Coefficient (SE) | P value | Coefficient (SE) | P value | |
| Effect of sleep quality on mood: sleep quality | 0.270 (0.013) | <.001 | 0.344 (0.009) | <.001 |
| Effect of mood on sleep quality: mood | 0.247 (0.020) | <.001 | 0.132 (0.019) | <.001 |
