Table 1.

General characteristics of study participants (n=1448)

Variable		Number	Percent
Level of education	Illiterate	417	28.8
	Elementary	443	30.6
	<High school	253	17.5
	High school or equal	272	18.8
	University degree	63	4.4
Age	<20	147	10.2
	21-30	631	43.6
	31-40	466	32.2
	41-50	163	11.3
	>50	41	2.8
Place of residence	Urban	809	55.9
	Rural	839	44.1