Table 1.
Participant Characteristics
| Overall Sample M (SD) | Earlier DLMO (<10:30 pm) M (SD) | Later DLMO (>10:30 pm) M (SD) | |
|---|---|---|---|
| Age | 26.8 (7.3) | 28.5 (7.2)* | 25.3 (7.1)* |
| Sex | 61F/36M | 31F/14M | 30F/22M |
| BMI | 24.0 (4.6) | 24.3 (5.2) | 23.8 (4.1) |
| DLMO (HH:MM) | 10:37 pm (1:28) | 9:24 pm (0:42) | 11:40 pm (1:05) |
| Last meal (HH:MM) | 8:26 pm (1:53) | 8:21 pm (2:27) | 8:31 pm (1:15) |
| Feeding Duration (hrs) | 11.1 (2.2) | 11.6 hrs (2.5)* | 10.6 hrs (1.8)* |
| Caloric Midpoint (HH:MM) | 3:24 pm (2:02) | 3:11 pm (2:04) | 3:35 pm (1:57) |
| Last Meal-DLMO (HH:MM) | −2:07 (2:09) | −0:52 (2:06)* | −3:11 (1:32)* |
| Sleep duration (minutes) | 443.7 (50.5) | 451.5 (46.2) | 437.0 (53.4) |
| Daily Caloric Intake | 2079.2 (656.0) | 2079.5 (587.0) | 2079.0 (715.9) |
| Protein (g) | 92.1 (61.6) | 79.7 (25.5) | 102.6 (79.1) |
| Carbohydrates (g) | 236.4 (71.5) | 238.5 (66.3) | 234.5 (76.3) |
| Fat (g) | 79.5 (32.8) | 82.4 (32.4) | 77.1 (33.3) |
| Sugar (g) | 80.6 (38.1) | 89.0 (38.8) | 73.6 (36.5) |
| Fiber (g) | 25.4 (41.3) | 27.2 (49.0) | 23.8 (34.2) |
Note: Overall sample N = 97; however, last meal and feeding duration were missing data from seven participants, and caloric midpoint was missing data from four participants.
*
p < .05 indicates difference between earlier and later DLMO