Table 1.

Characteristics of subjects.

Mother's occupation	Intervention		Control		Total
	n	%	n	%	n	%
Mother's occupation
Housewife	38	88.4	37	88.1	75	88.2
Traders	1	2.3	1	2.4	2	2.4
General employees	4	9.3	4	9.5	8	9.4
Father's occupation
Workers / workers / motorcycle taxis	13	30.2	13	30.2	26	30.6
General employees	13	30.2	13	30.2	26	30.6
Traders	3	7.0	3	7.1	6	7.1
Officials government	14	32.6	13	31.0	27	31.8
Father's education
Elementary school	2	4,7	2	4.8	4	4.7
Junior school	7	16.3	7	16.7	14	16.5
High school	13	30.2	12	28.6	25	29.4
College	21	48.8	21	50.0	42	49.4
Mother's education
Elementary school	2	4,7	2	4.8	4	4.7
Junior school	7	16.3	7	16.7	14	16.5
High school	13	30.2	12	28.6	25	29.4
College	21	48.8	21	50.0	42	49.4