Sex;Parents' highest level of studies;Preferred source of sexual information;Total Both sexes;Total;Total;100.00 Both sexes;Total;Old parents or relatives;52.94 Both sexes;Total;Siblings or friends;12.60 Both sexes;Total;Partner;5.04 Both sexes;Total;Professionals;25.99 Both sexes;Total;Various support;3.43 Both sexes;Lower than secondary education;Total;100.00 Both sexes;Lower than secondary education;Old parents or relatives;54.18 Both sexes;Lower than secondary education;Siblings or friends;12.10 Both sexes;Lower than secondary education;Partner;5.26 Both sexes;Lower than secondary education;Professionals;25.45 Both sexes;Lower than secondary education;Various support;3.00 Both sexes;Secondary education;Total;100.00 Both sexes;Secondary education;Old parents or relatives;49.20 Both sexes;Secondary education;Siblings or friends;13.17 Both sexes;Secondary education;Partner;5.08 Both sexes;Secondary education;Professionals;27.35 Both sexes;Secondary education;Various support;5.20 Both sexes;University;Total;100.00 Both sexes;University;Old parents or relatives;49.21 Both sexes;University;Siblings or friends;15.25 Both sexes;University;Partner;3.53 Both sexes;University;Professionals;27.91 Both sexes;University;Various support;4.10 Males;Total;Total;100.00 Males;Total;Old parents or relatives;47.27 Males;Total;Siblings or friends;16.06 Males;Total;Partner;5.62 Males;Total;Professionals;27.40 Males;Total;Various support;3.66 Males;Lower than secondary education;Total;100.00 Males;Lower than secondary education;Old parents or relatives;47.72 Males;Lower than secondary education;Siblings or friends;15.70 Males;Lower than secondary education;Partner;5.74 Males;Lower than secondary education;Professionals;27.36 Males;Lower than secondary education;Various support;3.47 Males;Secondary education;Total;100.00 Males;Secondary education;Old parents or relatives;47.24 Males;Secondary education;Siblings or friends;14.67 Males;Secondary education;Partner;5.65 Males;Secondary education;Professionals;28.18 Males;Secondary education;Various support;4.25 Males;University;Total;100.00 Males;University;Old parents or relatives;44.41 Males;University;Siblings or friends;19.85 Males;University;Partner;4.80 Males;University;Professionals;26.75 Males;University;Various support;4.19 Females;Total;Total;100.00 Females;Total;Old parents or relatives;58.67 Females;Total;Siblings or friends;9.10 Females;Total;Partner;4.46 Females;Total;Professionals;24.57 Females;Total;Various support;3.20 Females;Lower than secondary education;Total;100.00 Females;Lower than secondary education;Old parents or relatives;60.71 Females;Lower than secondary education;Siblings or friends;8.46 Females;Lower than secondary education;Partner;4.77 Females;Lower than secondary education;Professionals;23.53 Females;Lower than secondary education;Various support;2.54 Females;Secondary education;Total;100.00 Females;Secondary education;Old parents or relatives;50.98 Females;Secondary education;Siblings or friends;11.79 Females;Secondary education;Partner;4.57 Females;Secondary education;Professionals;26.60 Females;Secondary education;Various support;6.06 Females;University;Total;100.00 Females;University;Old parents or relatives;54.69 Females;University;Siblings or friends;9.99 Females;University;Partner;2.08 Females;University;Professionals;29.23 Females;University;Various support;4.00