n

%

Age

12 years or less

73

21.92

13 - 14 years

198

59.46

15 years or more

57

17.1

Ignored/ no answer

5

1.5

Gender

Feminine

183

54.95

Masculine

142

42.64

Ignored/no answer

8

2.4

School grade

5˚ - 6˚

148

44.44

7˚, 8ª and 9ª

179

53.75

Ignored/no answer

8

2.4

First sexual intercourse age*

12 years or less

29

8.71

13 - 14 years

15

4.50

15 years or more

9

2.7

Did not start

262

83.17

Ignored/ no answer

18

5.4

Use of condom*

Always

41

61.19

Often

6

8.96

Ocassionally/Never

20

29.85