European Health Survey  
TOBACCO USE
Average number of years in which the person has smoked daily, according to sex and educational level. Average and standard deviation. Population aged 16 years old and over that smokes or has smoked daily for at least one year
Units: average and standard deviation

;Average;Standard deviation;
Both sexes;
    Total;17.41;13.09;
    Cannot read or write, or incomplete primary education;27.84;14.65;
    Complete primary education;20.62;13.47;
    Secondary education, 1st stage;14.11;11.20;
    Secondary education, 2nd stage;15.30;12.01;
    Advanced professional training or the equivalent;13.46;10.22;
    University education;14.03;10.85;
Males;
    Total;20.50;13.86;
    Cannot read or write, or incomplete primary education;29.29;14.42;
    Complete primary education;23.03;13.76;
    Secondary education, 1st stage;16.37;11.65;
    Secondary education, 2nd stage;17.75;12.88;
    Advanced professional training or the equivalent;15.43;10.82;
    University education;16.41;12.20;
Females;
    Total;12.06;9.53;
    Cannot read or write, or incomplete primary education;16.12;10.72;
    Complete primary education;13.77;9.78;
    Secondary education, 1st stage;10.66;9.49;
    Secondary education, 2nd stage;12.31;10.08;
    Advanced professional training or the equivalent;10.83;8.68;
    University education;11.57;8.60;
Notes:
The symbol '.' shall be deemed as data which is not collected
 The symbol '..' shall be deemed as data which cannot be given due to an insufficient sample
 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: National Statistics Institute