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Demographic characteristics of the sample
| Demographic characteristic | |
| Age (average) | 47.52 years |
| Male | 46.27 % |
| Female | 53.73 % |
| Ethnicity | |
| Dutch | 87.98 % |
| Non-Dutch | 12.02 % |
| Education level | |
| Higher education | 29.69 % |
| Other | 70.31 % |
| Income | |
| <30.000 Euro | 59.56 % |
| > = 30.000Euro | 40.44 % |
| Self-reported health (average)a | 80.24 |
aSelf-reported health was measured using the Visual Analogue Scale (0–100)
where 100 is perfect health
