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. Author manuscript; available in PMC: 2020 Sep 1.
Published in final edited form as: Obesity (Silver Spring). 2019 Jul 19;27(9):1472–1481. doi: 10.1002/oby.22557

Table 2.

Organ-Tissue Composition Multiple Regression Models.

Component Adipose Tissue Age Height Intercept R2
Men β 95% CI SE β 95% CI SE β 95% CI SE β 95% CI SE
Skin 0.03‡ 0.03, 0.04 0.001 −0.0002 −0.001, 0.001 0.0007 0.03‡ 0.02, 0.03 0.002 −1.51‡ −2.14, −0.88 0.32 0.85‡
SM 0.37‡ 0.29, 0.45 0.04 −0.11‡ −0.15, −0.07 0.02 0.22‡ 0.13, 0.32 0.05 −11.6 −29.4, 6.28 9.04 0.48‡
Bone1 0.02‡ 0.02, 0.02 0.0007 −0.006‡ −0.007, −0.005 0.0005 0.06‡ 0.06, 0.06 0.001 −5.59‡ −6.06, −5.12 0.24 0.45‡
Heart 0.003* 0.001, 0.004 0.0009 0.002‡ 0.001, 0.003 0.0004 0.001 −0.001, 0.003 0.001 0.03 −0.35, 0.41 0.19 0.19‡
Liver 0.03‡ 0.02, 0.03 0.003 −0.003* −0.005, −0.0001 0.001 0.007* 0.0002, 0.01 0.003 0.03 −1.17, 1.23 0.61 0.43‡
Kidneys 0.005‡ 0.004, 0.006 0.0006 0.0003 −0.0002, 0.001 0.0003 −0.0001 −0.002, 0.001 0.001 0.21 −0.05, 0.47 0.13 0.34‡
Spleen 0.006† 0.003, 0.01 0.002 −0.002 −0.003, 1.66E-5 0.0008 −0.003 −0.007, 0.001 0.002 0.73‡ 0.04, 1.42 0.35 0.12‡
Brain 0.005† 0.002, 0.007 0.001 −0.0003 −0.001, 0.001 0.0006 0.004* 0.001, 0.007 0.001 0.78* 0.24, 1.33 0.28 0.12‡
Residual 0.13* 0.02, 0.23 0.05 0.06* 0.01, 0.11 0.03 0.22† 0.10, 0.35 0.06 −25.2* −47.6, −2.67 11.3 0.19‡
Women
Skin 0.03‡ 0.03, 0.03 0.0006 0.0007 −0.0004, 0.002 0.0005 0.03‡ 0.02, 0.03 0.001 −1.49‡ −1.90, −1.08 0.21 0.96‡
SM 0.16‡ 0.13, 0.19 0.01 −0.05‡ −0.08, −0.03 0.01 0.25‡ 0.19, 0.30 0.03 −22.8‡ −32.4, −13.1 4.89 0.71‡
Bone1 0.01‡ 0.01, 0.02 0.0005 −0.01‡ −0.01, −0.01 0.0004 0.05‡ 0.04, 0.05 0.001 −3.57‡ −3.94, −3.20 0.19 0.55‡
Heart 0.001† 0.001, 0.002 0.0004 0.0003 −0.0004, 0.001 0.0004 0.002* 0.001, 0.004 0.001 −0.14 −0.42, 0.14 0.14 0.12‡
Liver 0.03‡ 0.01, 0.02 0.001 −0.002 −0.004, 0.0005 0.001 0.01‡ 0.010, 0.02 0.003 −1.32* −2.21, −0.44 0.45 0.58‡
Kidneys 0.003‡ 0.002, 0.003 0.0003 −0.0006 −0.001, 6.16E-5 0.0003 0.002* 0.0002, 0.003 0.001 −0.07 −0.31, 0.17 0.12 0.39‡
Spleen 0.004‡ 0.003, 0.005 0.0005 −0.0006 −0.002, 0.0003 0.0005 0.003* 0.001, 0.005 0.001 −0.38* −0.72, −0.05 0.17 0.38‡
Brain 0.0003 −0.001, 0.002 0.0006 −0.001* −0.003, −0.0004 0.0005 0.003* 0.001, 0.005 0.001 0.98‡ 0.56, 1.41 0.21 0.12‡
Residual 0.17‡ 0.13, 0.21 0.02 0.05* 0.01, 0.09 0.02 0.23‡ 0.14, 0.31 0.04 −28.9† −43.4, −14.4 7.34 0.44‡
*

<0.05;

†

<0.001;

‡

<0.0001.

1

Bone model derived from NHANES data. Model units: components are in kg, age in years, and height in cm. SM, skeletal muscle; SE, standard error.