Table 1.
Demographics and sleep, meal, and calorie characteristics of participants
| Variable | Means ± SD |
|---|---|
| Sample characteristics | |
| Age (years) | 31 ± 11.8 |
| BMI (kg/m2) | 24.1 ± 4.2 |
| Actigraphy Variables | |
| Sleep start (hh:mm) | 01:17 ± 2:00 |
| Sleep end (hh:mm) | 8:34 ± 2:00 |
| Sleep duration (hours) | 6:11 ± 1:02 |
| Midpoint (hours) | 4:52 ± 1:57 |
| Meal Times/Calories * | |
| Breakfast Time (hh:mm)a | 9:37 ± 1:50 |
| Calories | 330 ± 151 |
| First Meal (hh:mm) | 10:02 ± 2:02 |
| Calories | 431 ± 1374 |
| Lunch Time (hh:mm)b | 13:32 ± 1:08 |
| Calories | 471 ± 267 |
| Dinner Time(hh:mm)c | 19:10 ± 2:05 |
| Calories | 682 ± 305 |
| Last Meal (hh:mm) | 21:02 ± 1:46 |
| Calories | 564 ± 292 |
| Total Calories | 1992 ± 539 |
| Calories from snacks | 503 ± 375 |
| Calories after dinner | 161 ± 153 |
| Eating Frequency (n) | 4.5 ± 1.5 |
| Meal – Sleep Relationships ** | |
| Sleep end- First Meald | 1:25 ± 0:58 |
| Breakfast-lunche | 4:06 ± 1:03 |
| Lunch-Dinnerf | 5:51 ± 1:04 |
| Dinner- Last Meal | 1:46 ± 1:22 |
| Last Meal – sleep onsetg | 4:17 ± 1:41 |
Data is presented as mean ± SD
N=59 unless otherwise indicated
*
Uneven n for meal times is due to participants skipping some meals. Meal times were not calculated if the meal was consumed less than 3 out of 7 days.
a
N=54
b
N=52
c
N=56
**
Missing associations between sleep times and meal times were due to actigraphy not worn at same time as diet log n=3 or meal skipping (see above). All values hours:minutes.
d
N=56
e
N=49
f
N=52
g
N=56