Table 1.

Socio-demographic characteristics of the study population, Kermanshah, western Iran, 2014

Variables		n	%
Gender	Male	252	63
	Female	148	37
Age (year)	<15	40	10
	16–30	74	18.5
	31–45	88	22
	46–60	85	21.3
	>61	112	28.2
Level of education	Illiterate	26	6.6
	Primary and secondary school	290	72.4
	Academic degree	84	21
Geolocality	Urban	290	72.5
	Rural	110	27.5
Insurance coverage	Yes	377	94.4
	No	23	5.6
Marital status	Single	103	25.7
	Married	277	69.3
	Others	20	5
Length of stay (LOS)	3–5 days	283	70.8
	6–14 days	85	21.2
	>15 days	32	8