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;Nobody;
Both sexes;
    Total;100.00;12.39;38.78;19.59;10.28;12.11;6.84;
    Lower than secondary education;100.00;11.89;35.39;24.63;7.69;9.86;10.55;
    Secondary education;100.00;13.06;39.42;17.49;12.44;12.61;4.98;
    University;100.00;12.20;44.24;13.53;11.46;15.61;2.96;
Males;
    Total;100.00;10.56;43.92;14.98;9.90;13.30;7.34;
    Lower than secondary education;100.00;11.30;40.46;18.61;7.16;11.38;11.08;
    Secondary education;100.00;10.19;44.77;13.36;12.79;13.84;5.05;
    University;100.00;9.61;50.15;9.96;10.25;16.61;3.43;
Females;
    Total;100.00;14.28;33.52;24.31;10.66;10.90;6.34;
    Lower than secondary education;100.00;12.54;29.74;31.34;8.27;8.15;9.96;
    Secondary education;100.00;16.15;33.66;21.93;12.07;11.29;4.90;
    University;100.00;14.27;39.53;16.37;12.42;14.82;2.59;
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