State of health. Absolute figures Quality of life related to health in children, by sex and nationality. Average and standard deviation. Population aged 8 to 15 years old Units: average and standard deviation ,Average,Standard deviation, BOTH SEXES, Total,61.81,13.08, Spanish,62.13,12.99, Foreign,58.37,13.65, No data recorded,64.95,7.70, MALES, Total,61.24,12.76, Spanish,61.72,12.72, Foreign,56.69,12.31, No data recorded,69.94,3.86, FEMALES, Total,62.42,13.39, Spanish,62.56,13.25, Foreign,60.80,15.05, No data recorded,58.89,6.80, Notes: 1) Population aged 8 to 15 years old. The European standard average value stands at 50, with a standard deviation (SD) of 10 thus, for example, if a group registers a value of 45, it stands 0.5 SD below the European average and, therefore, reflects a poorer quality of life. The symbol '.' shall be deemed as data which cannot be provided since it may be affected by sampling errors. The symbol '..' shall be deemed as data which is not collected. The symbol '...' shall be deemed as an 'error of division by zero'. Source: Ministry of Health and Consumption and INE