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Table 1 Description of variables used in the analysis for the period between 2008-2012

From: Application of the varying coefficient model to the behaviour risk factor surveillance data in Italy: a study of changing smoking prevalence among sub-populations

Variable Categories Number of %
   observations  
Smoking status Smoker 51696 27.9
  Non-smoker 133923 72.1
Age 18-29 33450 18.0
  30-39 38660 20.8
  40-49 44193 23.8
  50-59 35646 19.2
  60-69 33670 18.2
Sex Male 91160 49.1
  Female 94459 50.9
Marital status Married 112853 60.8
  Single 57959 31.2
  Widowed or divorced 14807 8.0
Education University or higher 24700 13.3
  High school 82324 44.4
  Middle school 58063 31.3
  Primary school or less 20532 11.0
Income High 87989 47.4
  Medium 74159 40.0
  Low 23471 12.6
Work status Works 107648 58.0
  Does not work 77971 42.0
Region North 92741 50.0
  Central 45142 24.3
  South 47736 25.7
Physical activity Active 61357 33.1
  Partially active 70800 38.1
  Sedentary 53462 28.8
Alcohol consumption High risk drinker 18852 10.2
  Low risk drinker 52838 28.4
  Non-drinker 113929 61.4
Depression status Not depressed 173416 93.4
  Depressed 12203 6.6
Year 2008 37205 20.0
  2009 38690 20.8
  2010 35896 19.2
  2011 36825 19.8
  2012 37003 20.0