Table 1 Baseline characteristics of the study population
| Â | Total | Men | Women |
|---|---|---|---|
N | 7013 | 3417 | 3596 |
Age (years) | 46.2 (45.5 – 46.8) | 45.0 (44.3 – 45.8) | 47.3 (46.6 – 48.0) |
BMI (kg/m2) | 26.6 (26.5 – 26.8) | 26.9 (26.8 – 27.1) | 26.3 (26.1 – 26.6) |
Waist circumference (cm) | 90.6 (90.1 – 91.1) | 96.4 (95.9 – 96.9) | 85.0 (84.4 – 85.6) |
(%) | Â | Â | Â |
Age groups (years) | Â | Â | Â |
  18-19 | 2.7 | 2.9 | 2.6 |
  20-29 | 15.3 | 16.2 | 14.5 |
  30-39 | 21.8 | 23.0 | 20.7 |
  40-49 | 18.2 | 18.8 | 17.6 |
  50-59 | 17.0 | 17.3 | 16.8 |
  60-69 | 15.0 | 14.5 | 15.5 |
  70-79 | 9.9 | 7.4 | 12.3 |
Body Mass Index (kg/m2) | Â | Â | Â |
  <25.0 | 40.3 | 33.2 | 47.2 |
  25.0–29.9 | 39.4 | 48.0 | 31.2 |
  30.0–34.9 | 15.4 | 15.7 | 15.1 |
  ≥35.0 | 4.9 | 3.1 | 6.5 |
Waist circumference (cm) | Â | Â | Â |
  <94/80 | 41.1 | 41.9 | 40.3 |
  94-102/80-88 | 25.0 | 28.4 | 21.7 |
  ≥102/88 | 33.9 | 29.7 | 38.0 |
Social status | Â | Â | Â |
  Low | 23.0 | 19.5 | 26.4 |
  Middle | 55.4 | 55.7 | 55.1 |
  High | 21.6 | 24.8 | 18.5 |
Smoking status | Â | Â | Â |
  Current | 32.6 | 37.2 | 28.2 |
  Ex | 21.7 | 28.3 | 15.3 |
  Never | 45.6 | 34.5 | 56.4 |