Characteristics of the study population (n = 935) compared with national figures for the Netherlands.
| Characteristic | Responders n (%) | the Netherlandsa % |
|---|---|---|
| Males | 467 (49.9) | 49.0 |
| Age, years | ||
| 16–29 | 164 (17.5) | 20.8 |
| 30–44 | 283 (30.3) | 28.6 |
| 45–59 | 303 (32.4) | 26.5 |
| ≥60 | 185 (19.8) | 24.1 |
| Level of education | ||
| Low | 314 (33.6) | 33.6 |
| Medium | 372 (39.8) | 41.2 |
| High | 249 (26.6) | 25.2 |
| Experienced state of health | ||
| Very good/good | 708 (75.7) | 79.9 |
| Poor (less than good) | 227 (24.3) | 20.1 |
| Parenthood | ||
| Children 0–12 years old | 234 (25.0) | n/a |
| Children 0–5 years old | 122 (13.0) | n/a |
| Chronic pulmonary disease | 105 (11.2) | n/a |
| Chronic disease in general | 228 (24.4) | n/a |
↵a Data derived from Statistics Netherlands 2006 (www.cbs.nl).