The following age groups were considered: 6 to 7, 8 to 9 and 10 to 11 with a predominance of children aged 8 to 9 years old, with 40.4%; the average age was 8.5 years old SD=1.54.
Los intervalos de edad considerados fueron 6 a 7, 8 a 9 y 10 a 11, habiendo un predominio del estrato de 8 a 9 años de edad con 40,4%, siendo el promedio de las edades de 8,5 DE: 1,54.
As faixas etárias consideradas foram de 6 a 7, 8 a 9 e 10 a 11, havendo predomínio do estrato de 8 a 9 anos de idade com 40,4%, sendo a média das idades de 8,5 dp:1,54.