Lifestyles and preventive practices. Absolute figures 
Average age at beginning to use tobacco of ex-smokers, by sex and nationality. 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	
    Spanish	17.04	4.46	
    Foreign	18.45	4.66	
    No data recorded	17.96	4.33	
MALES	
    Total	16.80	4.27	
    Spanish	16.71	4.24	
    Foreign	17.93	4.51	
    No data recorded	17.47	3.91	
FEMALES	
    Total	17.88	4.84	
    Spanish	17.73	4.83	
    Foreign	19.18	4.77	
    No data recorded	19.65	5.21	
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