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Table 1 Distribution of age and body mass index groups in the validation sample (n = 161)

From: Relative validation of a food frequency questionnaire for national health and nutrition monitoring

  Men
(n = 82)
Women
(n = 79)
  n % n %
Age group     
18 - 34 years 11 13.4 11 13.9
35 - 50 years 28 34.2 29 37.2
51 - 64 years 29 35.4 27 34.6
65 - 79 years 14 17.1 12 15.4
BMIa     
Under-/normal weight (BMI < 25.0 kg/m2) 31 37.8 45 57.0
Overweight (BMI: 25.0 - 29.9 kg/m2) 42 51.2 23 29.1
Obesity (BMI ≥ 30.0 kg/m2) 9 11.0 11 13.9
  1. a According to WHO classification [23]