Table 3.

Prevalence of the impacts associated with self-perceived malocclusion, by covariables, among 11-12-year-old Peruvian schoolchildren

Covariables	Impacts		No impacts		p value
	n	%	n	%
Sex					0.118
Girls	72	17.5	340	82.5
Boys	53	13.5	340	86.5
Age					0.828
11 years	35	16.0	184	84.0
12 years	90	15.4	496	84.6
Education level					0.443
Primary school	63	14.6	368	85.4
High school	62	16.6	312	83.4

Mann- Whitney test was used