State of health. Absolute figures Quality of life related to health among adult population by sex and social class based on the occupancy of the reference person. Average and standard deviation. Population aged 15 years old and over. Units: average and standard deviation ,Average,Standard deviation, BOTH SEXES, Total,77.89,18.57, I,81.60,14.95, II,79.80,16.95, III,79.00,17.73, IV,78.02,18.04, V,76.86,19.31, VI,75.83,20.38, No data recorded,73.47,21.02, MALES, Total,79.76,17.12, I,81.97,14.02, II,81.63,15.68, III,80.10,16.67, IV,79.74,16.56, V,78.75,17.96, VI,78.96,18.89, No data recorded,79.62,18.44, FEMALES, Total,76.11,19.69, I,81.18,15.93, II,78.17,17.85, III,78.05,18.54, IV,75.94,19.49, V,74.93,20.42, VI,73.41,21.14, No data recorded,70.88,21.49, Notes: 1) a) Values of the variable fluctuate between 0 (the worst state of health) and 100 (the best state of health) points. 1) b) Socio-economic levels classification of the Spanish Society of Epidemiology: I. Directors and managers of establishments with 10 or more wage earners and professionals traditionally associated with university degrees II. Directors and managers of establishments with 10 or more wage earners, professionals traditionally associated with university degrees and other technical support professionals III. Intermediate occupations and self-employed workers IV. Supervisors and workers in skilled technical occupations V. Skilled primary sector workers and other semi-skilled workers VI. Non-skilled workers 1) c) In the tables of quality of life related to health a measuring insument property of the EuroQol Group was used: © 2009 EuroQol Group. EQ-5D-5L (TM) is a trademark of the EuroQol Group. The symbol '.' shall be deemed as data which cannot be given due to an insufficient sample. The symbol '..' shall be deemed as data which are not collected for this classification in the table. The symbol '...' shall be deemed as an 'error of division by zero. The data corresponding to cells with fewer than 35 thousand persons must be considered with caution, as they may be affected by a high degree of sampling error. Source: Ministry of Public Health, Social Services and Equality and INE