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