Lifestyles and preventive practices. Absolute figures 
Average age at beginning to use tobacco of ex-smokers, by sex and age group. 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,
    16 to 24 years of age,15.58,1.92,
    25 to 34 years of age,16.86,2.95,
    35 to 44 years of age,16.78,3.35,
    45 to 54 years of age,16.85,3.61,
    55 to 64 years of age,17.59,5.01,
    65 to 74 years of age,18.48,6.50,
    75 years old and over,17.13,5.82,
MALES,
    Total,16.80,4.27,
    16 to 24 years of age,15.51,1.88,
    25 to 34 years of age,16.82,2.87,
    35 to 44 years of age,16.58,3.55,
    45 to 54 years of age,16.60,3.65,
    55 to 64 years of age,16.93,4.66,
    65 to 74 years of age,17.66,5.58,
    75 years old and over,16.36,4.30,
FEMALES,
    Total,17.88,4.84,
    16 to 24 years of age,15.63,1.96,
    25 to 34 years of age,16.90,3.02,
    35 to 44 years of age,16.99,3.10,
    45 to 54 years of age,17.29,3.48,
    55 to 64 years of age,20.19,5.47,
    65 to 74 years of age,24.18,9.07,
    75 years old and over,27.81,11.16,
Notes:
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