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Table 1 Characteristics of the study participants according to sex and age groups.

From: High prevalence of obesity, central obesity and abnormal glucose tolerance in the middle-aged Finnish population

  MEN WOMEN
  45–54 55–64 65–74 Total 45–54 55–64 65–74 Total
Number of subjects, invited 750 750 750 2250 750 750 750 2250
Participated (%) 417 (55.6) 497 (66.3) 482 (64.3) 1396 (62.0) 493 (65.7) 525 (70.0) 482 (64.3) 1500 (66.7)
Excluded from analysis* 12 12 8 32 14 14 11 39
Age (years) 50.2 (2.8) 59.6 (2.8) 69.5 (2.9) 60.3 (8.3) 50.2 (2.9) 59.5 (2.8) 70.0 (2.8) 59.8 (8.5)
Weight (kg) 86.2 (14.8) 86.8 (14.9) 83.5 (13.6) 85.8 (14.5) 72.3 (13.8) 73.4 (13.8) 72.6 (13.8) 72.7 (13.8)
BMI (kg/m2) 27.3 (4.2) 27.9 (4.2) 27.7 (4.0) 27.6 (4.1) 27.0 (5.0) 27.8 (5.1) 28.4 (5.2) 27.6 (5.2)
BMI < 25 kg/m2, % 31.1 23.3 24.5 26.8 40.5 34.4 26.3 34.7
BMI 25–29 kg/m2, % 48.1 51.5 50.4 49.7 35.9 36.6 40.6 37.3
BMI ≥ 30 kg/m2, % 20.7 25.2 25.1 23.5 23.6 29.0 33.1 28.0
Waist (cm) 97.3 (11.9) 100.3 (12.0) 99.9 (11.4) 99.3 (11.8) 87.6 (12.9) 90.3 (13.3) 91.5 (13.7) 89.6 (13.4)
Central obesity, WHO#, % 30.6 38.6 39.9 37.4 43.4 52.6 59.0 50.9
Central obesity, IDF§, % 59.8 71.3 73.6 68.2 71.2 75.7 81.1 75.0
  1. Data are presented as means (standard deviation) except where noted otherwise.
  2. *Number of subjects excluded from the analyses due to following problems with OGTT: refused to participate in OGTT (n = 3); vomiting during OGTT (n = 3); fasting duration unknown or less than < 8 hours (n = 12); time for OGTT deviated by more than 15 minutes from the 2 hour limit (n = 15); other problems with the blood sample (n = 15).
  3. #Central obesity, WHO: waist circumference ≥ 102 cm in men and ≥ 88 cm in women.
  4. §Central obesity in the IDF definition of metabolic syndrome: waist circumference ≥ 94 cm in men and ≥ 80 cm in women.
  5. Total is an estimate of the population prevalence in the age group 45–74 years, taking into account the stratified sampling used in the study.
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