National tables: studies, age and sex. Percentages
Persons 18 to 49 years by sex, age group, studies and  perception of risk of infection of HIV/AIDS by injectable  drugs.
Units: percentages

;Total;High risk;Intermediate risk;Low or no risk;Depends on whether they share syringes or not;
Both sexes;
    Total;
        Total;100.00;59.10;9.96;0.47;30.47;
        Lower than secondary education;100.00;61.48;10.21;0.86;27.45;
        Secondary education;100.00;58.70;9.28;0.30;31.72;
        University;100.00;55.22;10.68;0.03;34.08;
    From 18 to 29 years of age;
        Total;100.00;59.19;11.07;0.50;29.24;
        Lower than secondary education;100.00;60.55;11.18;0.99;27.29;
        Secondary education;100.00;60.84;10.46;0.35;28.35;
        University;100.00;52.94;12.33;0.02;34.71;
    From 30 to 39 years of age;
        Total;100.00;57.06;9.68;0.46;32.81;
        Lower than secondary education;100.00;60.66;10.52;0.76;28.06;
        Secondary education;100.00;55.10;7.96;0.42;36.52;
        University;100.00;53.71;10.76;0.00;35.53;
    From 40 to 49 years of age;
        Total;100.00;61.37;8.87;0.45;29.31;
        Lower than secondary education;100.00;63.10;9.07;0.84;26.99;
        Secondary education;100.00;59.40;8.80;0.05;31.75;
        University;100.00;60.11;8.51;0.08;31.31;
Males;
    Total;
        Total;100.00;59.30;11.71;0.68;28.30;
        Lower than secondary education;100.00;62.96;11.24;1.17;24.63;
        Secondary education;100.00;57.13;11.21;0.44;31.22;
        University;100.00;55.45;13.84;0.05;30.66;
    From 18 to 29 years of age;
        Total;100.00;59.03;12.55;0.79;27.63;
        Lower than secondary education;100.00;63.13;11.49;1.30;24.08;
        Secondary education;100.00;57.91;12.27;0.62;29.20;
        University;100.00;52.06;16.04;0.00;31.90;
    From 30 to 39 years of age;
        Total;100.00;57.81;11.21;0.60;30.38;
        Lower than secondary education;100.00;63.14;11.32;1.01;24.53;
        Secondary education;100.00;53.58;9.76;0.45;36.21;
        University;100.00;54.11;13.55;0.00;32.34;
    From 40 to 49 years of age;
        Total;100.00;61.45;11.21;0.63;26.71;
        Lower than secondary education;100.00;62.60;10.89;1.20;25.31;
        Secondary education;100.00;60.39;11.19;0.10;28.32;
        University;100.00;60.45;12.00;0.16;27.39;
Females;
    Total;
        Total;100.00;58.89;8.16;0.26;32.69;
        Lower than secondary education;100.00;59.83;9.06;0.51;30.60;
        Secondary education;100.00;60.41;7.19;0.15;32.25;
        University;100.00;55.03;8.16;0.01;36.80;
    From 18 to 29 years of age;
        Total;100.00;59.35;9.53;0.20;30.92;
        Lower than secondary education;100.00;57.02;10.74;0.55;31.68;
        Secondary education;100.00;63.89;8.58;0.06;27.47;
        University;100.00;53.53;9.85;0.03;36.59;
    From 30 to 39 years of age;
        Total;100.00;56.28;8.09;0.32;35.32;
        Lower than secondary education;100.00;57.84;9.60;0.47;32.09;
        Secondary education;100.00;56.79;5.95;0.39;36.87;
        University;100.00;53.39;8.58;0.00;38.04;
    From 40 to 49 years of age;
        Total;100.00;61.30;6.54;0.27;31.89;
        Lower than secondary education;100.00;63.55;7.40;0.52;28.52;
        Secondary education;100.00;58.26;6.06;0.00;35.68;
        University;100.00;59.77;5.04;0.00;35.20;
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