Table 2.

Adjusted β-Coefficients (95% CI) for the Association of Percent Body Fat and Lean Mass (Total and Trunk per 5%) with HbA_1c, NHANES 1999-2006

	Body Fat				Lean Mass
	Total	P Value	Trunk	P Value	Total	P Value	Trunk	P Value
No diabetes
Male, y
<40	0.04 (0.02–0.06)	<0.001	0.04 (0.02–0.05)	<0.001	−0.04 (−0.06 to −0.03)	<0.001	−0.04 (−0.05 to −0.02)	<0.001
≥40	0.11 (0.08–0.14)	<0.001	0.09 (0.07–0.12)	<0.001	−0.12 (−0.15 to −0.08)	<0.001	−0.10 (−0.12 to −0.07)	<0.001
Female, y
<40	0.04 (0.03–0.05)	<0.001	0.04 (0.03–0.05)	<0.001	−0.04 (−0.05 to −0.04)	<0.001	−0.04 (−0.05 to −0.03)	<0.001
≥40	0.07 (0.06–0.08)	<0.001	0.07 (0.06–0.08)	<0.001	−0.07 (−0.08 to −0.06)	<0.001	−0.07 (−0.08 to −0.06)	<0.001
Diagnosed diabetes
Male, y
<40	0.04 (0.01–0.07)	0.01	0.03 (0.00–0.06)	0.06	−0.04 (−0.07 to −0.01)	0.01	−0.03 (−0.06 to 0.002)	0.1
≥40	0.03 (−0.09 to 0.16)	0.60	0.09 (−0.01 to 0.19)	0.09	−0.02 (−0.15 to 0.12)	0.8	−0.08 (−0.19 to 0.17)	0.1
Female, y
<40	0.02 (−0.02 to 0.05)	0.39	0.05 (0.01–0.08)	0.006	−0.005 (−0.04 to 0.27)	0.8	−0.09 (−0.07 to 0.10)	0.7
≥40	0.03 (−0.06 to 0.13)	0.49	0.11 (0.06–0.17)	<0.001	−0.04 (−0.14 to 0.06)	0.4	−0.05 (−0.08 to −0.01)	0.008

Adjusted for age, race/ethnicity, and height.