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. 2023 May 17;13:8010. doi: 10.1038/s41598-023-33914-5

Table 6.

Association between measured and predicted percent body Fat obtained from linear regression and bias assessment, NHANES 2001–2006.

Studies	NHANES 2001–2002 (n = 1383)			NHANES 2003–2006 (n = 2340)
Studies	Coefficients	Bias^a	P-value	Coefficients	Bias^a	P-value
Measured BF%	0.68		< 0.001	0.59		< 0.001
Gallagher¹⁸	0.56	−0.12	< 0.001	0.56	−0.03	< 0.001
Gomez-Ambrosi¹⁹	0.42	−0.26	< 0.001	0.46	−0.13	< 0.001
Liu²¹	0.9	0.22	< 0.001	0.8	0.21	< 0.001
Model 1	0.63	−0.05	< 0.001	0.66	0.07	< 0.001
Model 2	0.62	−0.06	< 0.001	0.66	0.07	< 0.001
Model 3	0.62	−0.06	< 0.001	0.66	0.07	< 0.001

The metrics for the top performing model(s) are in Bold.

^aBias = Coefficient from predicted %BF—Coefficient from measured %BF.