Table 1.

Characteristics of the participants

		n
Total		16
Gender	Male	8
	Female	8
Age (Range)		39–80
Region	North	7
	Middle	7
	South	2
Highest completed education levela	Low	-
	Intermediate	11
	High	5
Household net income per month in euros	< 1.750	4
	1.750–2.700	5
	> 2.700	7
Self-reported health	Bad / fair	5
	Good	8
	Very good / excellent	3

^aLow = none, primary school or pre-vocational education. Intermediate = secondary or vocational education. High = professional higher or university