National tables: studies, age and sex. Percentages
Persons 18 to 49 years by sex, studies and preferred source of  sexual information.
Units: percentages

,Total,Old parents or relatives,Siblings or friends,Partner,Professionals,Various support,
Both sexes,
    Total,100.00,53.05,12.65,5.09,25.74,3.47,
    Lower than secondary education,100.00,56.56,12.91,6.86,20.28,3.38,
    Secondary education,100.00,51.51,12.92,4.35,28.16,3.06,
    University,100.00,48.99,11.66,2.98,32.03,4.35,
Males,
    Total,100.00,47.42,16.18,5.67,27.05,3.68,
    Lower than secondary education,100.00,49.85,17.31,7.03,21.53,4.27,
    Secondary education,100.00,46.19,15.86,5.32,29.93,2.71,
    University,100.00,44.36,14.24,3.23,33.84,4.34,
Females,
    Total,100.00,58.78,9.06,4.51,24.40,3.25,
    Lower than secondary education,100.00,63.99,8.05,6.68,18.89,2.40,
    Secondary education,100.00,57.22,9.77,3.31,26.26,3.45,
    University,100.00,52.62,9.64,2.78,30.61,4.36,
Notes:
Data corresponding to cells with less than 45,000 persons must be used with  caution, because they may be affected by high sample errors.
Source: National Statistics Institute