Table 6a.
Comparisons of mealtimes between good and poor sleepers, and among daily conditions (workdays, free days, preferred schedules).
First eating event |
p-value | Lunch |
p-value | Last eating event |
p-value | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
workdays (n = 911) | free days (n = 1185) | preferred (n = 1183) | workdays (n = 904) | free days (n = 1180) | preferred (n = 1185) | workdays (n = 912) | free days (n = 1182) | preferred (n = 1181) | ||||
PSQI<5 | 8:28 ± 1:41 | 9:39 ± 1:35 | 8:59 ± 1:31 | <0.001 | 13:24 ± 0:55 | 13:20 ± 0:43 | 13:10 ± 0:48 | <0.001 | 20:58 ± 1:20 | 21:08 ± 1:27 | 21:11 ± 1:25 | <0.001 |
PSQI>5 | 8:21 ± 1:35 | 9:46 ± 1:46 | 9:09 ± 1:33 | <0.001 | 13:24 ± 0:52 | 13:21 ± 0:46 | 13:09 ± 0:46 | <0.001 | 21:05 ± 1:26 | 21:10 ± 1:39 | 21:29 ± 1:32 | <0.001 |
(df) p-value | 0.329 | 0.384 | 0.021 | 0.741 | 0.82 | 0.882 | 0.326 | 0.298 | 0.001 |
PSQI: Pittsburgh Sleep Quality Index.
Mann-Whitney test was used for comparisons between poor and good sleepers, and Friedman test for comparisons of meal timings across the 3 different conditions (during workdays, during free days and preferred schedules).