Lifestyles and preventive practices. Absolute figures 
Average age at beginning to use tobacco of daily smokers, by sex and employment situation. Average and standard deviation. Population aged 16 years old and over that smokes daily
Units: average and standard deviation

	Average	Standard deviation	
BOTH SEXES	
    Total	17.35	4.55	
    Employed	17.24	3.93	
    Unemployed	16.79	3.76	
    Student	16.07	2.78	
    Retired person, pensioner	18.24	7.05	
    Mainly dedicated to household chores	18.41	6.16	
    Other situations	17.57	4.00	
    No data recorded	18.97	5.22	
MALES	
    Total	17.04	4.14	
    Employed	17.12	3.87	
    Unemployed	16.47	3.62	
    Student	16.23	2.45	
    Retired person, pensioner	17.09	5.73	
    Mainly dedicated to household chores	.	.	
    Other situations	17.80	4.05	
    No data recorded	18.45	4.59	
FEMALES	
    Total	17.78	5.05	
    Employed	17.44	4.03	
    Unemployed	17.11	3.87	
    Student	15.94	3.00	
    Retired person, pensioner	23.15	9.57	
    Mainly dedicated to household chores	18.44	6.18	
    Other situations	17.23	3.89	
    No data recorded	19.93	6.12	
Notes:

.Data protected by statistical secrecy

1) Population aged 16 years old and over that smokes daily
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