Table 1.
Mean ± SD DLMO and number of DLMOs missed for each sampling rate and threshold method.
| 30-min sampling profile | DLMO threshold method
|
||
|---|---|---|---|
| 2 SD | 4 pg/mL | 3 pg/mL | |
| DLMO (hh:mm ± mins) | 20:47 ± 75 | 21:30 ± 77 | 21:17 ± 75 |
| melatonin levels < threshold (N) | -- | 4 | 3 |
| melatonin levels > threshold (N) | -- | 1 | 2 |
| Total Missed (N; % total sample1) | 0 (0%) | 5 (8%) | 5 (8%) |
|
| |||
| 60-min sampling profile | |||
|
| |||
| DLMO (hh:mm ± mins) | 20:53 ± 63 | 21:28 ± 79 | 21:14 ± 77 |
| melatonin levels < threshold (N) | 2 | 5 | 4 |
| melatonin levels > threshold (N) | -- | 1 | 2 |
| Total Missed (N;% of total sample1) | 2 (3%) | 6 (9%) | 6 (9%) |
1
N=66