Health determiners. Absolute figures Average age of initiation in alcoholic beverages consumption regularly by sex and social class based on the occupation of the reference person. Average and standard deviation. Population of 15 years old and over that sometimes consumes alcoholic beverages Units: average and standard deviation Average Standard deviation BOTH SEXES Total 17.84 4.22 I 17.69 4.10 II 17.73 3.83 III 17.80 3.84 IV 17.71 4.07 V 17.75 4.22 VI 18.36 5.08 No data recorded 18.34 4.28 MALES Total 17.10 3.17 I 17.10 2.89 II 17.36 3.77 III 17.15 3.01 IV 17.16 3.45 V 16.95 2.90 VI 17.23 3.58 No data recorded 17.00 2.09 FEMALES Total 18.80 5.14 I 18.47 5.19 II 18.14 3.86 III 18.54 4.48 IV 18.62 4.80 V 18.94 5.42 VI 19.54 6.04 No data recorded 19.25 5.07 Notes: 1) 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 IV. Skilled primary sector workers and other semi-skilled workers VI. Non-skilled workers 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