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DLMOs of the four groups on days 1 and 4
| Group | Number of subjects | DLMO* 1 | ||
|---|---|---|---|---|
| Day 1 | Day 4 | Day 1–Day 4 (min) | ||
| Poor*Dim | 8 | 21:53 (54) | 22:12 (58) | −19 (13) |
| Rich*Dim | 6 | 21:30 (60) | 22:36 (47) | −66 (14) |
| Poor*Bright | 7 | 21:23 (64) | 19:57 (75) | 86 (32) |
| Rich*Bright | 7 | 21:38 (60) | 20:07 (52) | 90 (53) |
*1Mean time of day and SDs are shown for DLMO on days 1 and 4.
