Table 1.

Distribution of subjects according to environment, gender, educational level and age group

Sociodemographic variables	Number	%
Environment
Urban	435	50.1
Rural	434	49.9
Gender
Male	414	47.6
Female	455	52.4
Educational level
Low (primary education <10 years)	326	37.5
Medium (secondary education 10–12 years)	296	34.1
Higha	247	28.4
Age groups (years)
18–24	152	17.5
25–34	153	17.6
35–49	248	28.5
50–59	165	19.0
60–75	151	17.4

Legend: ^aTertiary education >12 years, completed by obtaining diploma, university, post-university.