| 
      
        | N | 1,170 |  
        | Males | 43.1 |  
        | Females | 56.9 |  
        | Age |  |  
        | Mean age | 47.3 yrs |  
        | Young/>65yrs ratio | 1/1.63 |  
        | Smoke |  |  
        | Active | 20.40% |  
        | Ex | 21.00% |  
        | Never | 58.60% |  
        | Educational level |  |  
        | Degree | 16.10% |  
        | Middle school | 41.20% |  
        | High school | 42.70% |  
        | Job |  |  
        | Clerks | 25.20% |  
        | Managers | 16.60% |  
        | Housewives | 15.40% |  
        | Retired | 19.30% |  
        | Blue collars | 10.40% |  
        | Students | 9.20% |  
        | Unemplyed | 3.90% |  
        | Regional distribution |  |  
        | North | 47.30% |  
        | Center | 22.20% |  
        | South | 30.50% |  |