n

%

Age

12 years or less

147

57.7

13 - 14 years

92

36.0

15 years or more

16

6.3

Ignored/no answer

0

0

Gender

Feminine

139

54.5

Masculine

114

44.7

Ignored/no answer

2

0.8

School grade

5˚ - 6˚

132

51.7

7˚, 8ª and 9ª

123

48.3

Ignored/no answer

0

0