Table 1.

Prevalence of self-perceived malocclusion among 11-12-year-old Peruvian schoolchildren

Covariables	Perceived malocclusion		No perceived malocclusion		p value
	n	%	n	%
Sex					0.275
Girls	142	34.5	270	65.5
Boys	150	38.2	243	61.8
Age					0.057
11 years	91	41.6	128	58.4
12 years	201	34.3	385	65.7
Education level					0.021
Primary school	172	39.9	259	60.1
High school	120	32.1	254	67.9