Health determiners. Absolute figures Average age of smoke use initiation of ex-smokers by sex and country of birth. Average and Standard deviation. Population aged 15 years old and over that does not currently smoke but did smoke before. Units: average and standard deviation Average Standard deviation BOTH SEXES Total 17.03 3.97 Spain 16.91 3.94 Abroad 18.22 4.07 MALES Total 16.61 3.48 Spain 16.49 3.48 Abroad 17.80 3.18 FEMALES Total 17.85 4.69 Spain 17.73 4.60 Abroad 19.07 5.33 Notes: The symbol '.' shall be deemed as data which cannot be given due to an insufficient sample. 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