Table 1. Demographic characteristics of the participants (n=673).

		Frequency	Percentage
Age (years)	18-22	224	33.3
	23-27	283	42.0
	28-32	80	11.9
	33-37	34	5.1
	38-45	52	7.7
Marital status	Single	505	75.0
	Married	154	22.9
	Divorced/widowed	14	2.1
Residence	Al-Madinah	369	54.8
	Others	304	45.2
Educational level	< high school	11	1.6
	High school/equivalent	168	25.0
	Bachelor's degree	456	67.8
	Postgraduate degree	38	5.6