Table 3.
Activity counts per 6 h (mean ± SD), measured the second night and day in the two intervention groups
| Baseline | Follow-up | Paired samples t-test | |||
|---|---|---|---|---|---|
| N = 11 (Melatonin) N = 19 (Placebo) | N = 11 (Melatonin) N = 19 (Placebo) | ||||
| t | df | P | |||
| 1–6 h after wake up time | |||||
| Melatonin | 58798 ± 26310 | 72697 ± 37957 | −1.490 | 10 | 0.167 |
| Placebo | 48444 ± 31383 | 60822 ± 32990 | −1.335 | 18 | 0.198 |
| 7–12 h after wake up time | |||||
| Melatonin | 67643 ± 22202 | 92526 ± 45319 | −1.441 | 10 | 0.180 |
| Placebo | 54276 ± 37688 | 64314 ± 33724 | −0.909 | 18 | 0.376 |
| 13–18 h after wake up time | |||||
| Melatonin | 37399 ± 17875 | 48155 ± 23070 | −1.088 | 10 | 0.320 |
| Placebo | 34578 ± 32279 | 38500 ± 36509 | −0.341 | 18 | 0.737 |
| 19–24 h after wake up time | |||||
| Melatonin | 6854 ± 5466 | 7046 ± 7347 | −0.087 | 10 | 0.933 |
| Placebo | 9332 ± 10308 | 15341 ± 15071 | −1.447 | 18 | 0.165 |