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