Table 1.

Summary of participant’s key socio-demographic characteristics.

	Czech Republic	Germany	North Macedonia	Spain	United Kingdom
Female	12	12	12	13	10
Male	12	12	11	11	13
High income	10	8	8	4	6
Middle income	3	8	7	14	8
Low income	9	8	8	6	9
N.A.	2
Senior (65–100)	0	3	1	2	2
Adult (30–65)	21	16	18	13	17
Youth (18–30)	3	5	4	9	4
Total per country	24	24	23	24	23
Total overall	118