Sampling errors
Tobacco use, by sex and age group. Population aged 15 years old and over. Variation coefficient.
Units: percentages

	Daily smoker	Occasional smoker	Ex-smokers	Has never smoked	
BOTH SEXES	
    Total	1.63	5.19	1.79	1.08	
    15 to 24 years old	5.73	13.91	14.39	3.52	
    25 to 34 years old	4.05	11.04	6.14	3.32	
    35 to 44 years old	3.25	10.46	4.44	2.79	
    45 to 54 years old	3.38	11.07	3.94	3.39	
    55 to 64 years old	4.77	12.91	4.00	3.17	
    65 to 74 years old	7.25	20.37	4.49	2.92	
    75 to 84 years old	12.35	33.57	5.99	2.93	
    85 years old and over	32.74	63.46	10.41	5.18	
MALES	
    Total	2.24	7.05	2.25	1.96	
    15 to 24 years old	7.98	18.19	22.68	4.83	
    25 to 34 years old	5.60	15.00	9.41	4.82	
    35 to 44 years old	4.38	13.73	6.00	4.09	
    45 to 54 years old	4.62	14.59	5.19	5.16	
    55 to 64 years old	6.21	18.77	4.84	6.38	
    65 to 74 years old	8.75	24.41	4.94	6.16	
    75 to 84 years old	13.28	38.84	6.37	6.34	
    85 years old and over	37.83	69.78	10.63	12.44	
FEMALES	
    Total	2.50	7.37	3.11	1.34	
    15 to 24 years old	8.32	19.92	18.64	4.96	
    25 to 34 years old	5.73	16.34	7.95	4.53	
    35 to 44 years old	4.94	15.53	6.21	3.74	
    45 to 54 years old	5.00	16.06	5.99	4.33	
    55 to 64 years old	7.59	18.06	7.15	3.65	
    65 to 74 years old	12.61	36.05	10.42	3.26	
    75 to 84 years old	32.93	58.12	17.02	3.38	
    85 years old and over	57.86	10.15	42.81	5.68	
Notes:
The symbol '.' shall be deemed as data which cannot be given due to an insufficient sample.
 The symbol '..' shall be deemed as data which are not collected for this classification in the table.
 The symbol '...' shall be deemed as an error of division by zero.
 The data corresponding to cells with fewer than 35 thousand persons must be considered with caution,  as they may be affected by a high degree of sampling error.
Source: Ministry of Public Health, Social Services and Equality and INE