Table 1. Sociodemographic characteristics of the 622 participants.

Sociodemographic		N	%
Gender	Male	256	41.2
	Female	366	58.8
Age by year	18-25	375	60.3
	26-35	97	15.6
	36-45	96	15.4
	46-55	42	6.8
	>56	12	1.9
Nationality	Saudi	605	97.3
	Non-Saudi	17	2.7
Marital status	Single	368	59.2
	Married	235	37.8
	Divorced	13	2.1
	Widower	6	1.0
Educational level	Primary	8	1.3
	Secondary	153	24.6
	Higher secondary	15	2.4
	Bachelors	432	69.5
	Other	14	2.3
Occupation	Employed	173	27.8
	Unemployed	66	10.6
	Private business	12	1.9
	Retired	19	3.1
	Other	352	56.6
Residency place	City	311	50
	Village	301	48.4
	Mountainous area	10	1.6