Table 2.

Sample and their socio-demographic characteristics (n = 22,181).

	Mean ± SD or n (%)
Male	4251 (19.16%)
Female	17,930 (80.84%)
Age (years)	34.86 ± 11.70
Male Age (years)	34.47 ± 11.22
Female Age (years)	36.50 ± 13.41
	Total
Education level
Basic education	15,154 (68.32%)
Higher education	7027 (31.68%)
Income level
Low	9727 (43.85%)
Medium–high	10,616 (47.86%)
Don’t know–no answer	1838 (8.29%)
Municipality
<2000	1014 (4.57%)
2000–10,000	3587 (16.17%)
>10,000	17,580 (79.26%)