National tables: studies, age and sex. Percentages
Persons 18 to 49 years by sex, parents' highest level of 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;52.94;12.60;5.04;25.99;3.43;
    Lower than secondary education;100.00;54.18;12.10;5.26;25.45;3.00;
    Secondary education;100.00;49.20;13.17;5.08;27.35;5.20;
    University;100.00;49.21;15.25;3.53;27.91;4.10;
Males;
    Total;100.00;47.27;16.06;5.62;27.40;3.66;
    Lower than secondary education;100.00;47.72;15.70;5.74;27.36;3.47;
    Secondary education;100.00;47.24;14.67;5.65;28.18;4.25;
    University;100.00;44.41;19.85;4.80;26.75;4.19;
Females;
    Total;100.00;58.67;9.10;4.46;24.57;3.20;
    Lower than secondary education;100.00;60.71;8.46;4.77;23.53;2.54;
    Secondary education;100.00;50.98;11.79;4.57;26.60;6.06;
    University;100.00;54.69;9.99;2.08;29.23;4.00;
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