Sample characteristics
| N | Per cent** | |
|---|---|---|
| BMI, kg/m2 | ||
| Underweight <18.5 | 242 | 0.9 |
| Normal weight 18.5–24.9 | 10 253 | 38.0 |
| Overweight 25.0–29.9 | 10 260 | 38.0 |
| Obese ≥30 | 4479 | 16.6 |
| Extremely obese ≥35 | 1765 | 6.5 |
| Education | ||
| Lower | 16 681 | 65.1 |
| Higher | 8954 | 34.9 |
| Smoking | ||
| Non-smokers | 21 045 | 75.8 |
| Occasional smokers | 1684 | 6.1 |
| Daily smokers | 5027 | 18.1 |
| Dieting | ||
| Non-dieters | 12 257 | 45.9 |
| Occasional dieters | 10 854 | 40.6 |
| Frequent dieters | 3599 | 13.5 |
| Age, years | ||
| 19–29 | 2448 | 9.0 |
| 30–39 | 3858 | 14.2 |
| 40–49 | 5322 | 19.9 |
| 50–59 | 5978 | 21.9 |
| 60–69 | 5103 | 18.7 |
| 70+ | 4443 | 16.3 |
**Percentage of total.
BMI, body mass index.