Table 1b: General information (for non-parametric variables, non-Gaussian distribution).

Variable Absolute Value (n) Relative Value
Gender
males
females		 6
10		 0.5 [50%}
0.5 [50%]
Education
Compulsory education
High school
Graduate		 5
7
4		 0.3 [30%]
0.4 [40%]
0.3 [30%]
Income
<5000 €
5001-15.000 €
15.001-30.000 €
> 30.000 €		 3
6
6
1		 0.2 [20%]
0.4 [40%]
0.3 [30%]
0.1 [10%]
Marital status
Married
Single
Widowed		 10
5
1		 0.6 [60%]
0.3 [30%]
0.1 [10%]