Table 3.

Distribution of the participants with regard to sociodemographic details.

Variables	Categories	n	%	p-value
Age groups (years old)	< 30	98	23.3	0.001*
	[30 - 40[	115	27.5
	[40 - 50[	78	18.6
	[50 - 60[	61	14.5
	[60 - 70[	51	12.1
	70+	17	4.0
Gender	Females	198	47.1
	Males	222	52.9
Matrimonial status	Single	182	43.3	0.02*
	Married	223	53.1
	Divorced/Widow	15	3.6
Level of education	None	2	0.5	< 0.0001*
	Primary	23	5.5
	Secondary	141	33.5
	University	254	60.5
Occupation	Student	50	11.9	< 0.0001*
	Housewife	34	8.1
	Retired	16	3.8
	Medical formal sector	26	6.2
	Non-medical formal sector	241	57.4
	Informal sector	53	12.6

Data are presented as frequency and percentage.

Goodness-of-fit chi square test was used to compare percentages.

^⁎Statistically significant at p < 0.05.