Table 3.

Relationship Between BMI and Other Body Composition Measurements

	BFI	BMMI	RTF	WHR
	Mean (SD)
Men
BMI
1st quintile	3.59 (1.06)	14.60 (1.05)	0.502 (0.060)	0.87 (0.06)
2nd quintile	5.02 (0.79)	15.81 (0.76)	0.555 (0.052)	0.91 (0.06)
3rd quintile	5.78 (0.82)	16.54 (0.79)	0.570 (0.042)	0.93 (0.05)
4th quintile	6.50 (0.86)	17.38 (0.82)	0.581 (0.041)	0.94 (0.05)
5th quintile	7.84 (1.19)	18.73 (1.21)	0.584 (0.039)	0.96 (0.06)
p Value for trend	<.0001	<.0001	<.0001	<.0001
Women
BMI
1st quintile	5.51 (1.22)	13.17 (0.92)	0.491 (0.066)	0.88 (0.08)
2nd quintile	7.35 (0.79)	14.12 (0.80)	0.519 (0.051)	0.91 (0.07)
3rd quintile	8.27 (0.88)	14.74 (0.90)	0.526 (0.050)	0.93 (0.08)
4th quintile	9.40 (0.86)	15.47 (0.88)	0.528 (0.049)	0.94 (0.08)
5th quintile	11.38 (1.51)	16.72 (1.34)	0.522 (0.043)	0.95 (0.08)
p Value for trend	<.0001	<.0001	<.0001	<.0001

Notes: BFI = body fat index; BMI = body mass index; BMMI = body muscle mass index; RTF = relative truncal fat; WHR = waist–hip ratio.