Sex	Parents' highest level of studies	Main source of sexual information	Total
Both sexes	Total	Total	100.00
Both sexes	Total	Old parents or relatives	12.43
Both sexes	Total	Siblings or friends	38.96
Both sexes	Total	Partner	19.49
Both sexes	Total	Professionals	10.25
Both sexes	Total	Various support	12.25
Both sexes	Total	Nobody	6.61
Both sexes	Lower than secondary education	Total	100.00
Both sexes	Lower than secondary education	Old parents or relatives	10.77
Both sexes	Lower than secondary education	Siblings or friends	38.44
Both sexes	Lower than secondary education	Partner	20.88
Both sexes	Lower than secondary education	Professionals	10.34
Both sexes	Lower than secondary education	Various support	11.95
Both sexes	Lower than secondary education	Nobody	7.61
Both sexes	Secondary education	Total	100.00
Both sexes	Secondary education	Old parents or relatives	16.45
Both sexes	Secondary education	Siblings or friends	37.83
Both sexes	Secondary education	Partner	17.75
Both sexes	Secondary education	Professionals	10.23
Both sexes	Secondary education	Various support	13.84
Both sexes	Secondary education	Nobody	3.91
Both sexes	University	Total	100.00
Both sexes	University	Old parents or relatives	18.64
Both sexes	University	Siblings or friends	43.84
Both sexes	University	Partner	12.34
Both sexes	University	Professionals	9.62
Both sexes	University	Various support	12.26
Both sexes	University	Nobody	3.29
Males	Total	Total	100.00
Males	Total	Old parents or relatives	10.51
Males	Total	Siblings or friends	44.17
Males	Total	Partner	14.92
Males	Total	Professionals	9.83
Males	Total	Various support	13.44
Males	Total	Nobody	7.13
Males	Lower than secondary education	Total	100.00
Males	Lower than secondary education	Old parents or relatives	9.40
Males	Lower than secondary education	Siblings or friends	43.77
Males	Lower than secondary education	Partner	15.68
Males	Lower than secondary education	Professionals	9.97
Males	Lower than secondary education	Various support	13.10
Males	Lower than secondary education	Nobody	8.07
Males	Secondary education	Total	100.00
Males	Secondary education	Old parents or relatives	12.55
Males	Secondary education	Siblings or friends	41.80
Males	Secondary education	Partner	14.88
Males	Secondary education	Professionals	9.17
Males	Secondary education	Various support	16.74
Males	Secondary education	Nobody	4.87
Males	University	Total	100.00
Males	University	Old parents or relatives	15.15
Males	University	Siblings or friends	49.32
Males	University	Partner	10.25
Males	University	Professionals	9.70
Males	University	Various support	11.87
Males	University	Nobody	3.72
Females	Total	Total	100.00
Females	Total	Old parents or relatives	14.39
Females	Total	Siblings or friends	33.67
Females	Total	Partner	24.14
Females	Total	Professionals	10.67
Females	Total	Various support	11.04
Females	Total	Nobody	6.09
Females	Lower than secondary education	Total	100.00
Females	Lower than secondary education	Old parents or relatives	12.15
Females	Lower than secondary education	Siblings or friends	33.06
Females	Lower than secondary education	Partner	26.14
Females	Lower than secondary education	Professionals	10.73
Females	Lower than secondary education	Various support	10.79
Females	Lower than secondary education	Nobody	7.13
Females	Secondary education	Total	100.00
Females	Secondary education	Old parents or relatives	20.06
Females	Secondary education	Siblings or friends	34.15
Females	Secondary education	Partner	20.41
Females	Secondary education	Professionals	11.22
Females	Secondary education	Various support	11.15
Females	Secondary education	Nobody	3.02
Females	University	Total	100.00
Females	University	Old parents or relatives	22.72
Females	University	Siblings or friends	37.44
Females	University	Partner	14.80
Females	University	Professionals	9.52
Females	University	Various support	12.72
Females	University	Nobody	2.80