Table 1 Participant characteristics (n = 1351)

Age [years]

39.6 ± 12.9

Sex

Female

1110 (82.1%)

Male

239 (17.7%)

Diverse

2 (0.2%)

School education

No degree

4 (0.3%)

Secondary education certificate (9 years)

106 (7.8%)

Secondary education certificate (10 years)

414 (30.6%)

Technical college entrance diploma (11–12 years)

167 (12.4%)

University entrance diploma (12–13 years)

660 (48.9%)

Professional training

None

128 (9.5%)

Formal professional training

653 (48.3%)

University degree

494 (36.7%)

Other

76 (5.3%)

Employment

Not working

308 (22.8%)

Part-time

412 (30.5%)

Full-time

631 (46.7%)