Table 1.

Demographics of the Employed Survey Respondents

Variables		Number	Percentage or Mean ±SD
Age (years)		6274	30.5 (10.4)
Gender	Male	3489	55.3
	Female	2817	44.7
BMI (kg/m2)		6264	27.4 (7.8)
Marital status	Married	2779	44.3
	Divorced	185	2.9
	Single	3295	52.5
	Widowed	15	0.2
Type of employment	Manual	626	10.0
	Office	5648	90.0
Sleeping medications	Never	5544	85.1
	Several days	706	10.8
	More than half of days	152	2.3
	Nearly every day	114	1.7