Skip to main content
. 2022 Nov 10;17(11):e0276834. doi: 10.1371/journal.pone.0276834

Table 1. Characteristics of respondents (N = 4,064).

Survey
2018 (T1) 2019 (T2) 2020 (T3)
n (%) n (%) n (%)
Employed
 • no 1854 (45.6) 1825 (44.9) 1867 (45.9)
 • yes 2210 (54.4) 2239 (55.1) 2197 (54.1)
Married
 • yes 1957 (48.2) 1972 (48.5) 1999 (49.2)
 • no 2107 (51.8) 2092 (51.5) 2065 (50.8)
Education level1
 • low 1013 (24.9) 992 (24.4) 969 (23.8)
 • medium 1466 (36.1) 1441 (35.5) 1416 (34.8)
 • high 1585 (39.0) 1631 (40.1) 1679 (41.3)
Sex
 • male 2002 (49.3) idem idem
 • female 2062 (50.7) idem idem
Physical disease
 • no 3303 (81.3) 3266 (80.4) 3253 (80.0)
 • yes 761 (18.7) 798 (19.6) 811 (20.0)
Age category
 • 18–34 years old 1083 (26.6) 1018 (25.0) 933 (23.0)
 • 35–49 years old 961 (23.6) 933 (23.0) 941 (23.2)
 • 50–64 years old 1052 (25.9) 1061 (26.1) 1054 (25.9)
 • 65 years old or older 968 (23.8) 1052 (25.9) 1136 (28.0)

1 Low = primary school, intermediate secondary education, US: junior high school; Medium = higher secondary education/preparatory university education, US: senior high school, intermediate vocational education, US: junior college; High = higher vocational education, US: college, 6 university according to education level categories of Statistics Netherlands (CBS). All results are based on the weighted sample. Due to weighting, numbers may slightly differ between tables.