Health determiners. Absolute figures
Exposure to tobacco smoke at home by sex and social class based on the occupation of the reference person.
Units: thousands of persons

	Total	Never or almost never	Less than 1 hour per day	Between 1 and 5 hours per day	More than 5 hours per day	No data recorded	
BOTH SEXES	
    Total	45,941.8	37,702.0	3,116.8	3,757.6	1,308.9	56.4	
    I	5,020.5	4,378.6	253.1	290.4	96.4	2.1	
    II	3,458.0	2,986.0	203.7	199.1	62.4	6.7	
    III	8,206.3	6,883.2	528.5	624.2	161.4	8.9	
    IV	6,706.1	5,512.6	403.2	599.0	183.2	8.2	
    V	14,430.0	11,438.6	1,161.7	1,321.1	491.0	17.6	
    VI	6,614.3	5,244.2	477.1	617.3	272.4	3.2	
    No data recorded	1,506.6	1,258.8	89.5	106.5	42.1	9.8	
MALES	
    Total	22,609.8	18,496.9	1,540.2	1,881.4	653.2	38.1	
    I	2,600.6	2,254.0	123.8	173.9	48.9	0.0	
    II	1,614.7	1,389.9	95.5	99.9	22.7	6.7	
    III	3,928.9	3,301.6	269.3	286.3	70.1	1.6	
    IV	3,666.6	3,027.5	213.2	321.2	101.0	3.6	
    V	7,306.1	5,781.5	603.6	653.1	251.5	16.4	
    VI	2,926.8	2,280.0	195.0	304.9	144.9	2.1	
    No data recorded	566.1	462.3	39.8	42.0	14.2	7.8	
FEMALES	
    Total	23,331.9	19,205.1	1,576.7	1,876.2	655.7	18.3	
    I	2,419.9	2,124.6	129.3	116.5	47.5	2.1	
    II	1,843.2	1,596.1	108.2	99.2	39.7	0.0	
    III	4,277.4	3,581.6	259.2	337.9	91.4	7.4	
    IV	3,039.5	2,485.1	189.9	277.8	82.1	4.6	
    V	7,123.9	5,657.0	558.2	668.0	239.5	1.1	
    VI	3,687.5	2,964.2	282.2	312.4	127.5	1.1	
    No data recorded	940.5	796.4	49.7	64.5	27.9	2.0	
Notes:
1) Socio-economic levels classification of the Spanish Society of Epidemiology:
 I. Directors and managers of establishments with 10 or more wage earners and professionals traditionally associated with university degrees
 II. Directors and managers of establishments with 10 or more wage earners, professionals traditionally associated with university degrees and other technical support professionals
 III. Intermediate occupations and self-employed workers
 IV. Supervisors and workers in skilled technical occupations 
 IV. Skilled primary sector workers and other semi-skilled workers
 VI. Non-skilled workers
The symbol '.' shall be deemed as data which cannot be given due to an insufficient sample.
 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