Table 1 Sample characteristics (%)
| Â | Belgium (n = 852) | Denmark (n = 1,110) | Netherlands (n = 809) | Poland (n = 1,015) | Spain (n = 1,000) | Total (n = 4,786) |
|---|---|---|---|---|---|---|
Gender | Â | Â | Â | Â | Â | Â |
   Male | 24.8 | 25.6 | 28.4 | 30.0 | 10.6 | 23.7 |
   Female | 75.2 | 74.4 | 71.6 | 70.0 | 89.4 | 76.3 |
Age | Â | Â | Â | Â | Â | Â |
   < 25 years | 3.2 | 3.6 | 14.5 | 11.0 | 19.5 | 10.2 |
   25–55 years | 73.0 | 70.7 | 71.3 | 70.7 | 69.0 | 70.9 |
   > 55 years | 23.8 | 25.7 | 14.2 | 18.3 | 11.5 | 18.9 |
Education | Â | Â | Â | Â | Â | Â |
   Unskilled | 20.2 | 46.8 | 45.2 | 43.7 | 62.6 | 44.4 |
   Skilled | 71.2 | 38.2 | 49.9 | 43.4 | 11.5 | 41.6 |
   Higher | 8.6 | 15.0 | 4.9 | 12.9 | 25.9 | 14.0 |
Household income | Â | Â | Â | Â | Â | Â |
   Lower | 25.8 | 21.8 | 30.2 | 30.0 | 21.9 | 25.7 |
   Middle | 49.6 | 47.9 | 49.2 | 43.6 | 49.3 | 47.8 |
   Upper | 24.6 | 30.3 | 20.6 | 26.4 | 28.8 | 26.5 |