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Table 3 Caucasian males: Dependence of fat fraction on age for two BMI ranges.

From: Physiological models of body composition and human obesity

BMI Range

Ave age (SD)

Age range

Ave BMI

Ave Fat Fraction

N

18 – 24

22.00 (2.52)

18 – 26

22.08 (1.25)

0.0927 (.048)

30

 

29.03 (2.34)

26 – 33

22.23 (1.19)

0.113 (.048) (NS)

31

 

52.83 (19.42)

34 – 84

22.39 (1.31)

0.150 (.059) (p < .01)

30

24 – 44

25.94 (2.66)

21 – 30

27.64 (4.00)

0.165 (.087)

47

 

38.17 (5.07)

31 – 48

27.42 (3.96)

0.189 (.074) (NS)

48

 

66.25 (10.69)

49 – 97

27.93 (3.41)

0.264 (.077) (p < .01)

47

  1. The p values are for comparisons to the closest younger age group.