| 1992/3 | 1997 | 2002 | 2007 | Test |
---|---|---|---|---|---|
Sample size | 14,521 | 12,474 | 18,908 | 17,879 | 3.16 NS |
Women (%) | 7946 (54.7) | 6937 (55.6) | 10,345 (54.7) | 9862 (55.2) | Â |
Age (years) | Â | Â | Â | Â | Â |
   Men | 44.3 ± 16.7 | 45.2 ± 17.0 | 48.6 ± 16.9 | 49.6 ± 17.2 | 160.2 *** |
   Women | 46.1 ± 17.5 | 47.8 ± 18.1 | 50.4 ± 17.3 | 51.3 ± 17.9 | 160.5 *** |
Educational level (%) | Â | Â | Â | Â | Â |
   Low | 3081 (21.2) | 2747 (22.0) | 3635 (19.2) | 2471 (13.8) |  |
   Middle | 8300 (57.2) | 7577 (60.7) | 12,082 (63.9) | 10,523 (58.9) | 1005 *** |
   High | 3140 (21.6) | 2150 (17.2) | 3191 (16.9) | 4885 (27.3) |  |
Men | Â | Â | Â | Â | Â |
   Mean BMI (kg/m2) | 24.7 ± 3.6 | 24.9 ± 3.4 | 25.3 ± 3.7 | 25.4 ± 3.6 | 65.06 *** |
   Overweight (%) | 5841 (34.1) | 1980 (35.8) | 3351 (39.1) | 3217 (40.1) | 184.9 *** |
   Obesity (%) | 411 (6.3) | 374 (6.8) | 765 (8.9) | 752 (9.4) |  |
Women | Â | Â | Â | Â | Â |
   Mean BMI (kg/m2) | 22.8 ± 3.8 | 23.4 ± 4.3 | 23.7 ± 4.2 | 23.7 ± 4.3 | 90.95 *** |
   Overweight (%) | 1386 (17.4) | 1470 (21.2) | 2398 (23.2) | 2248 (22.8) | 231.6 *** |
   Obesity (%) | 392 (4.9) | 500 (7.2) | 825 (8.0) | 836 (8.5) |  |
All subjects | Â | Â | Â | Â | Â |
   Mean BMI (kg/m2) | 23.6 ± 3.8 | 24.0 ± 4.0 | 24.4 ± 4.1 | 24.5 ± 4.1 |  |
   Overweight (%) | 3627 (25.0) | 3450 (27.7) | 5749 (30.4) | 5465 (30.6) | 386.4 *** |
   Obesity (%) | 803 (5.5) | 874 (7.0) | 1590 (8.4) | 1588 (8.9) |  |