Table 3

Multivariable linear regression model 1–model 2–model 3 comparison.

	Model 1 (RFM)			Model 2 (BFP)			Model 3 (BMI)
	β coefficient	95% CI	P value	β coefficient	95% CI	P value	β coefficient	95% CI	P value
Age (54–70)	1.83	0.29 to 3.37	0.02	2.14	0.60 to 3.67	0.006	2.25	0.71 to 3.79	0.004
Gender (male)	−1.69	−4.15 to 0.76	0.17	0.53	−1.53 to 2.61	0.61	0.41	−1.69 to 2.54	0.7
HB (11.5–14.4)	−2.12	−3.70 to −0.53	0.009	−2.43	-4.03 to 0.84	0.003	−2.45	-4.05 to 0.86	0.002
CR (0.69–1.0)	−0.72	−1.76 to 0.32	0.17	−0.78	−1.83 to 0.26	0.38	−0.77	−1.83 to 0.27	0.14
HT	0.92	−1.09 to 2.95	0.36	1.0	−1.04 to 3.05	0.33	1.04	−1.01 to 3.09	0.31
DM	3.72	1.67 to 5.76	0.004	4.01	1.96 to 6.07	<0.001	4.13	2.07 to 6.19	<0.001
Smoking	2.95	0.92 to 4.98	0.04	2.81	0.74 to 4.89	0.008	2.96	0.88 to 5.05	0.005
HL	0.65	−1.51 to 2.81	0.55	0.79	−1.38 to 2.97	0.47	0.79	−1.39 to 2.98	0.47
RFM (28.9–39.5)	2.31	0.90 to 3.71	0.001
BFP (33.7–42.2)				1.21	−0.07 to 2.49	0.06
BMI (26–32.7)							0.68	−0.65 to 1.99	0.32

BFP, body fat percentage; BMI, body mass index; CR, creatinine; DM, diabetes mellitus; HB, haemoglobin; HL, hyperlipidaemia; HT, hypertension; RFM, relative fat mass.