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Table 1 characteristics of the samples

From: Trends in self-reported prevalence and management of hypertension, hypercholesterolemia and diabetes in Swiss adults, 1997-2007

  1997 2002 2007
Sum of weights 5,564,776 5,647,472 5,784,057
Women (%) 51.7 51.6 51.2
Age classes (%)    
   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 (%)    
   Low § 22.6 20.4 12.8
   Middle §§ 60.0 63.2 59.6
   High §§§ 17.4 16.4 27.6
BMI classes (%)    
   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
  1. Results are expressed as weighted percentage and average ± standard deviation. §no education completed + first level (primary school). §§lower + upper secondary level. §§§tertiary level + other education after secondary level.