Table 1.

Distribution of demographic characteristics of the subjects.

		n	(%)
Gender	Female	287	51.9
	Male	266	48.1
	Total	553	100
Educational level	Illiterate	80	14.47
	Primary school	352	63.65
	Secondary school	56	10.13
	Higher	65	11.75
	Total	553	100
Income	Poor	103	18.63
	Low	223	40.33
	Moderate	173	31.28
	High	54	9.76
	Total	553	100