Table 4.
Parameter | Estimate | S.E. | t | P |
---|---|---|---|---|
Sleep duration | ||||
Intercept | 26.586 | 5.098 | ||
Mean sleep time duration | −0.505 | 0.735 | −0.69 | 0.493 |
Daily sleep time duration | −0.618 | 0.406 | −1.52 | 0.129 |
Fragmentation index | ||||
Intercept | 22.629 | 1.688 | ||
Mean fragmentation index | −0.033 | 0.062 | −0.53 | 0.595 |
Daily fragmentation index | −0.115 | 0.035 | −3.26 | 0.001 |
Sleep efficiency | ||||
Intercept | −4.575 | 6.129 | ||
Mean sleep efficiency | 0.184 | 0.093 | 1.99 | 0.048 |
Daily sleep efficiency | 0.092 | 0.055 | 1.67 | 0.096 |
Daytime activity | ||||
Intercept | 15.133 | 1.894 | ||
Mean activity counts/min | 0.003 | 0.012 | 0.29 | 0.775 |
Daily activity counts/min | 0.009 | 0.009 | 1.13 | 0.261 |