| 1997 | 2002 | 2007 |
---|---|---|---|
Sum of weights | 5,564,776 | 5,647,472 | 5,784,057 |
Women (%) | 51.7 | 51.6 | 51.2 |
Age classes (%) | Â | Â | Â |
   18-44 years | 51.5 | 49.9 | 49.5 |
   45-64 years | 29.8 | 30.9 | 31.9 |
   ≥ 65 years | 18.7 | 19.2 | 18.7 |
Swiss nationality (%) | 81.7 | 80.5 | 79.5 |
Educational level (%) | Â | Â | Â |
   Low § | 22.6 | 20.4 | 12.8 |
   Middle §§ | 60.0 | 63.2 | 59.6 |
   High §§§ | 17.4 | 16.4 | 27.6 |
BMI classes (%) | Â | Â | Â |
   Normal | 63.8 | 61.3 | 61.0 |
   Overweight | 29.1 | 30.7 | 30.4 |
   Obese | 7.1 | 8.0 | 8.6 |
BMI [kg/m2] | 24.2 ± 3.9 | 24.3 ± 4.0 | 24.4 ± 4.1 |
Age [years] | 46.5 ± 17.6 | 47.2 ± 17.5 | 47.3 ± 17.6 |