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| Subsample 1 | Subsample 2 | Total sample | |
|---|---|---|---|
| N | 730 | 731 | 1,461 |
| Age, years, mean (SD) | 54.0 (18.9) | 55.8 (18.3) | 54.9 (18.6) |
| Sex, female, n (%) | 404 (55%) | 381 (52%) | 785 (54%) |
| Educational levela, n (%) | |||
| Low | 124 (17%) | 129 (18%) | 253 (18%) |
| Medium | 325 (45%) | 308 (42%) | 633 (43%) |
| High | 280 (38%) | 292 (40%) | 572 (39%) |
a Based on the International Standard Classification of Education (ISCED), categorized into low, medium and high levels of education according to De Vent et al. [54]
