Table 1.

Socio-demographic characteristics of the participants (n = 559)

Socio-demographic characteristics	No	%
Sex
Male	211	37.7
Female	348	62.3
Age (years)
18–< 30	269	48.1
30–< 40	150	26.8
40–< 50	68	12.2
50–< 60	49	8.8
≥ 60	23	4.1
Area of residence
Urban	443	79.2
Rural	116	20.8
Governorate
Ismailia	122	21.8
Alexandria	113	20.2
Cairo	95	17.0
Beheira	77	13.8
Giza	28	5.0
Dakahlia	20	3.6
Othersa	104	18.6
Highest level of education
Read and write	15	2.7
Primary school	12	2.1
Preparatory/high school	141	25.2
University	292	52.2
Higher studies	99	17.7
Monthly income (LE)
< 2000	79	14.1
2000–< 5000	246	44.0
5000–< 8000	89	15.9
8000–< 10,000	44	7.9
≥ 10,000	101	18.1

^aOthers include Sharkia, Port Said, Kafr El Sheikh, Minia, Gharbia, Qalioubya, BeniSuef, Menoufia, Suez, Assuit, Fayoum, Luxor, Aswan, Damietta, Sohag, Qena and Red Sea