Table 1.
Parameters obtained from extended cosinor model (n = 150)
| Parameter | Mean | SD | Minimum | Maximum |
|---|---|---|---|---|
| Based on average activity | ||||
| Amplitude | 0.39 | 0.33 | 0.04 | 2.28 |
| Acrophase (phi) | 13:40 | 5:09 | 00:06 | 23:54 |
| Mesor | 0.82 | 0.24 | 0.34 | 1.70 |
| Alpha | −0.06 | 0.59 | −1.0 | 1.0 |
| Beta | 550.4 | 817.9 | 0.3 | 3760.4 |
| F-statistic for model fit | 75.7 | 124.4 | 2.2 | 831.8 |
| Based on maximum activity | ||||
| Amplitude | 0.49 | 0.38 | 0.02 | 2.38 |
| Acrophase (phi) | 14:07 | 3:40 | 0:46 | 23:54 |
| Mesor | 1.11 | 0.25 | 0.41 | 1.77 |
| Alpha | −0.20 | 0.51 | −1.0 | 1.0 |
| Beta | 413.7 | 570.5 | 0.4 | 3477.9 |
| F-statistic for model fit | 112.3 | 148.0 | 1.78 | 1129.6 |