Table 1:

Demographics, DLMO, and questionnaire-derived sleep parameters

Demographics	Total (n=73)	Female (n=40)	Male (n=33)
Age, years	36.4±10.9	35.5±10.9	37.6±10.1
Body mass index	24.7±5.8	24.4±7.1	25.1±4.0
Residential zone (Urban/Rural)	63/10	37/3	26/7
Employed, n (%)	59 (80.8%)	32 (80.0%)	27 (81.8%)
DLMO (hh:min)	20:03±01:21	20:24±01:21	19:38±01:16**
MEQ Score (n=56; 25 Male)	59.1±9.2	57.9±9.6	60.6±8.7
MCTQ (n=64; 29 Male)
SOw (hh:min)	23:15±01:20	23:29±01:12	23:00±01:26
SOf (hh:min)	23:40±01:15	23:53±01:17	23:24±01:11
SEw (hh:min)	06:13±00:47	06:21±00:46	06:03±00:48
SEf (hh:min)	07:43±01:31	07:53±01:33	7:32±01:28
SDw (hh:min)	06:57±01:15	06:52±01:17	07:03±01:14
SDf (hh:min)	08:03±01:29	08:00±01:44	8:07±01:09
MSFsc (hh:min)	03:16±01:05	03:25±01:07	03:05±01:02

Data are presented as mean±SD; MEQ: Morningness-Eveningness Questionnaire score; MCTQ: Munich Chronotype questionnaire score; SOw: sleep onset workdays; SOf: sleep onset work-free days; SEw: sleep offset workdays; SEf: sleep offset work-free days; SDw: sleep duration workdays; SD: sleep duration work-free days; MSFsc: mid-sleep. GLM p-values:

^**p<0.01.