Table 1 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