TABLE 5.
Results of the ANOVA analysis applied to the mean activity parameters over the 3 weeks of the study.
| Variables | Week 1 | Week 2 | Week 3 | ANOVA F(1.107) |
p between weeks (Bonferroni post hoc) |
||
| 1–2 | 1–3 | 2–3 | |||||
| Activity | |||||||
| Mesor | 13.48 ± 0.66 | 15.64 ± 0.63 | 15.14 ± 0.39 | F = 3.84, p = 0.02 | 0.024 | 0.019 | 0.81 |
| Amplitude | 7.31 ± 0.33 | 9.03 ± 0.32 | 9.13 ± 0.28 | F = 10.57, p = 0.001 | 0.016 | 0.001 | 0.63 |
| Acrophase | 13:48 ± 10min | 14:08 ± 8min | 14:27 ± 9min | F = 7.75, p = 0.001 | 0.059 | 0.001 | 0.245 |
| IS | 0.30 ± 0.05 | 0.33 ± 0.01 | 0.32 ± 0.006 | F = 0.94, p = 0.39 ns | |||
| IV | 0.99 ± 0.01 | 0.87 ± 0.02 | 0.98 ± 0.01 | F = 9.68, p = 0.001 | 0.042 | 0.623 | 0.038 |
| RA | 0.73 ± 0.02 | 0.84 ± 0.02 | 0.77 ± 0.01 | F = 4.10, p = 0.019 | 0.010 | 0.39 | 0.028 |
| RAY | 0.80 ± 0.03 | 0.89 ± 0.02 | 0.85 ± 0.01 | F = 3.09, p = 0.049 | 0.003 | 0.046 | 0.53 |
| CFI | 0.51 ± 0.01 | 0.53 ± 0.01 | 0.51 ± 0.01 | F = 0.41, p = 0.65 ns | |||
All indexes are expressed as mean ± SD (Standard Deviation). Significant differences between weeks are marked in bold. IS, inter-day stability; IV, intra-day variability; RA, relative amplitude; RAY, Rayleigh tests; CFI, Circadian Function Index; ns, non-significant.