Auditory and visual characteristics
Population 16 year old and over by sex, social class of the main  breadwinner and if they have difficulty for seening
Units: thousands of persons and percentages

;Total;Yes difficulty;No difficulty;
ABSOLUTE FIGURES;
    Both genders;
        Total;35,361.4;1,626.4;33,735.0;
        I: AA.PP. executives and of companies with 10 or more wage earners and Professions associated  with university degree;2,909.6;58.2;2,851.4;
        II:Executives od companies with less than 10 employees and Professions associated  with intermediate degree. Advanced technicians. Artists and Sportspersons;3,459.2;104.2;3,355.0;
        III: Administrative type employees and Administrative and financial support professionals. Personal services workers and Security. Freelance workers. Supervisors of manual workers;8,749.4;379.8;8,369.6;
        IVa: Skilled manual workers;10,891.2;529.4;10,361.8;
        IVb: Semi-skilled manual workers;4,521.6;205.8;4,315.8;
        V: Unskilled workers;4,362.1;324.2;4,037.9;
        VI. Another type employees;275.2;9.5;265.8;
        No data recorded;193.1;15.3;177.7;
    Males;
        Total;17,249.8;571.7;16,678.2;
        I: AA.PP. executives and of companies with 10 or more wage earners and Professions associated  with university degree;1,371.8;10.1;1,361.8;
        II:Executives od companies with less than 10 employees and Professions associated  with intermediate degree. Advanced technicians. Artists and Sportspersons;1,744.6;33.6;1,711.0;
        III: Administrative type employees and Administrative and financial support professionals. Personal services workers and Security. Freelance workers. Supervisors of manual workers;4,191.6;122.1;4,069.4;
        IVa: Skilled manual workers;5,597.5;233.4;5,364.1;
        IVb: Semi-skilled manual workers;2,128.8;76.3;2,052.5;
        V: Unskilled workers;2,016.8;91.9;1,924.9;
        VI. Another type employees;143.2;3.1;140.2;
        No data recorded;55.4;1.2;54.2;
    Females;
        Total;18,111.6;1,054.8;17,056.8;
        I: AA.PP. executives and of companies with 10 or more wage earners and Professions associated  with university degree;1,537.8;48.1;1,489.6;
        II:Executives od companies with less than 10 employees and Professions associated  with intermediate degree. Advanced technicians. Artists and Sportspersons;1,714.6;70.6;1,644.0;
        III: Administrative type employees and Administrative and financial support professionals. Personal services workers and Security. Freelance workers. Supervisors of manual workers;4,557.8;257.7;4,300.1;
        IVa: Skilled manual workers;5,293.7;296.0;4,997.7;
        IVb: Semi-skilled manual workers;2,392.8;129.5;2,263.2;
        V: Unskilled workers;2,345.3;232.3;2,113.0;
        VI. Another type employees;132.0;6.4;125.6;
        No data recorded;137.7;14.2;123.5;
RELATIVE FIGURES;
    Both genders;
        Total;100.00;4.60;95.40;
        I: AA.PP. executives and of companies with 10 or more wage earners and Professions associated  with university degree;100.00;2.00;98.00;
        II:Executives od companies with less than 10 employees and Professions associated  with intermediate degree. Advanced technicians. Artists and Sportspersons;100.00;3.01;96.99;
        III: Administrative type employees and Administrative and financial support professionals. Personal services workers and Security. Freelance workers. Supervisors of manual workers;100.00;4.34;95.66;
        IVa: Skilled manual workers;100.00;4.86;95.14;
        IVb: Semi-skilled manual workers;100.00;4.55;95.45;
        V: Unskilled workers;100.00;7.43;92.57;
        VI. Another type employees;100.00;3.44;96.56;
        No data recorded;100.00;7.95;92.05;
    Males;
        Total;100.00;3.31;96.69;
        I: AA.PP. executives and of companies with 10 or more wage earners and Professions associated  with university degree;100.00;0.73;99.27;
        II:Executives od companies with less than 10 employees and Professions associated  with intermediate degree. Advanced technicians. Artists and Sportspersons;100.00;1.93;98.07;
        III: Administrative type employees and Administrative and financial support professionals. Personal services workers and Security. Freelance workers. Supervisors of manual workers;100.00;2.91;97.09;
        IVa: Skilled manual workers;100.00;4.17;95.83;
        IVb: Semi-skilled manual workers;100.00;3.58;96.42;
        V: Unskilled workers;100.00;4.56;95.44;
        VI. Another type employees;100.00;2.14;97.86;
        No data recorded;100.00;2.08;97.92;
    Females;
        Total;100.00;5.82;94.18;
        I: AA.PP. executives and of companies with 10 or more wage earners and Professions associated  with university degree;100.00;3.13;96.87;
        II:Executives od companies with less than 10 employees and Professions associated  with intermediate degree. Advanced technicians. Artists and Sportspersons;100.00;4.12;95.88;
        III: Administrative type employees and Administrative and financial support professionals. Personal services workers and Security. Freelance workers. Supervisors of manual workers;100.00;5.65;94.35;
        IVa: Skilled manual workers;100.00;5.59;94.41;
        IVb: Semi-skilled manual workers;100.00;5.41;94.59;
        V: Unskilled workers;100.00;9.91;90.09;
        VI. Another type employees;100.00;4.85;95.15;
        No data recorded;100.00;10.30;89.70;
Notes:
1) ~'social class of the main breadwinner '~Social class categories have been extracted from the report 'The  measurement of the social class in Health Sciences' the Society  by the Spanish Epidemiology Society.
1) The data about to crossing of the category 'If they have difficulty'   with 'Social Class I and II' must be viewed with caution, because  they may be affected by high sample errors  
Source: National Statistics Institute and Ministry of Health and Consumption