Table 3.

Socio-economic factors based on the children's gender, parent's level of education, and occupation in relation to the prevalence of dental erosion

Variables	Total No. of children	Dental erosion
		No. of children	%	P
Gender
Male	774	199	25.7	0.068
Female	725	217	29.9
Father's education
Primary	544	169	31.1	0.069
Secondary	633	169	26.7
College and postgraduate	322	78	24.2
Mother's education*
Primary	665	196	29.5	0.035
Secondary	575	165	28.7
College and postgraduate	259	55	21.2
Father's occupation
Employers/professional	327	93	28.4	0.909
Employees/non-professional	857	238	27.8
Unemployed	315	85	27.0
Mother's occupation
Employers/professional	244	59	24.2	0.384
Employees/non-professional	948	268	28.3
Unemployed	307	89	29.0

*P < 0.05, Chi-squared test.