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Table 1 Mean sex-and-age-specific cut-points for percentage body fat equivalent to body mass index 18.5 kg/m 2 (underweight), 25.0 kg/m 2 (overweight) and BMI 30.0 kg/m 2 (obese)

From: Body mass index and measures of body fat for defining obesity and underweight: a cross-sectional, population-based study

Age (yr)

Underweight

Overweight

Obese

 

Men

Women

Men

Women

Men

Women

20-29

9.3

21.8

20.6

36.0

27.5

43.4

30-39

9.9

22.0

21.2

36.2

28.1

43.6

40-49

10.5

22.2

21.8

36.4

28.7

43.8

50-59

11.1

22.4

22.4

36.6

29.3

44.0

60-69

11.7

22.6

23.0

36.8

29.9

44.2

70-79

12.3

22.8

23.6

37.0

30.5

44.4

80+

12.9

23.0

24.2

37.2

31.1

44.6

  1. BMI body mass index (kg/m2); %BF percentage body fat mass.