Age of first sexual intercourse (years)

Actual (n = 649)

% [95%CI]

≤15

363

55.9 [51.3 - 62.7]

16 - 17

209

32.2 [29.3 - 37.1]

18 - 19

77

11.8 [7.4 - 15.3]

Parameters of age distribution at first sexual intercourse

M ± ET

15.1 ± 2.1 years

Min et Max

10 years and 19 years

Median

15 years

Fashion

14 years

First Quartile

14 years

Third quartile

17 years

Ninetieth percentile

18.5 years