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. Author manuscript; available in PMC: 2012 May 1.

Published in final edited form as: Bone. 2011 Jan 15;48(5):1103–1108. doi: 10.1016/j.bone.2011.01.005

Table 2.

Multivariate regression models for Muscle Torque

	Entire Sample R² = 0.83, n = 320		Age ≤ 21 R² = 0.87, n = 238
	β (95% CI)	P	β (95% CI)	P
Intercept	-12.8 (-14.9, -10.8)	< 0.001	-10.1 (-12.6, -7.7)	< 0.001
Age	0.05 (0.02, 0.08)	0.002	0.16 (0.09, 0.22)	< 0.001
Age²	-0.001 (-0.002, -0.00)	0.005	-0.004 (-0.006, -0.002)	< 0.001
Female sex	-0.12 (-0.17, -0.06)	< 0.001	-0.14 (-0.20, -0.08)	< 0.001
Black race	0.06 (-0.00, 0.12)	0.047	0.11 (0.04, 0.18)	0.001
Ln (tibia length)	1.61 (1.19, 2.03)	< 0.001	1.05 (0.53, 1.57)	< 0.001
Ln (muscle CSA)	0.68 (0.50, 0.86)	< 0.001	0.66 (0.46, 0.87)	< 0.001