| Objective measure | Self-report | ||
---|---|---|---|---|
 | Total sleep time | Sleep quality | ||
 | Coefficient (SE) | p value | Coefficient (SE) | p value |
Intercept | 29.7 (5.4) | Â | 47.3 (4.9) | Â |
Effect of sleep parameter | 0.027 (0.008) | p = 0.015 | -0.14 (0.05) | p = 0.008 |
Control for time | Â | p < 0.0001 | Â | p < 0.0001 |