Lifestyles and preventive practices. Absolute figures Average age at beginning to use tobacco of ex-smokers, by sex and employment situation. Average and standard deviation. Population aged 16 years old and over that does not currently smoke but has smoked previously Units: average and standard deviation ,Average,Standard deviation, BOTH SEXES, Total,17.16,4.49, Employed,16.80,3.50, Unemployed,17.27,4.00, Student,15.87,2.23, Retired person, pensioner,17.58,5.81, Mainly dedicated to household chores,18.08,5.12, Other situations,17.34,4.68, No data recorded,18.56,5.13, MALES, Total,16.80,4.27, Employed,16.62,3.59, Unemployed,17.05,4.19, Student,16.19,2.10, Retired person, pensioner,17.01,5.03, Mainly dedicated to household chores,.,., Other situations,16.39,2.87, No data recorded,18.19,5.32, FEMALES, Total,17.88,4.84, Employed,17.14,3.27, Unemployed,17.47,3.81, Student,15.66,2.29, Retired person, pensioner,23.82,9.16, Mainly dedicated to household chores,18.10,5.15, Other situations,18.96,6.41, No data recorded,19.37,4.57, Notes: .Data protected by statistical secrecy 1) Population aged 16 years old and over that does not currently smoke but that has smoked before 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