Table 3.

Body composition measurements by SDF-1 concentration

	β	SE	95%CI	p-val
Total lean (kg)	0.99a	0.57	(−0.12, 2.10)	0.08
	0.61b	0.32	(−0.02, 1.23)	0.06
	0.39c	0.33	(−00.26, 1.03)	0.25
Percent lean	0.96a	0.55	(−0.12, 2.03)	0.08
	−0.30b	0.41	(−1.09, 0.50)	0.47
	0.35c	0.31	(−0.25, 0.95)	0.25
Total fat (kg)	−0.10a	0.54	(−1.17, 0.97)	0.86
	1.05b	0.51	(0.04, 2.05)	0.04
	0.05c	0.27	(−0.48, 0.59)	0.86
Percent fat	−0.96a	0.55	(−2.03, 0.12)	0.08
	0.30b	0.41	(−0.50, 1.09)	0.47
	−0.35c	0.31	(−0.95, 0.25)	0.25
Total mass (kg)	0.89a	0.79	(−0.65, 2.44)	0.26
	1.65b	0.71	(0.30, 3.05)	0.02
	0.43c	0.437	(−0.42, 1.29)	0.32

^aModel 1: Unadjusted

^bModel 2: Age, Race, Clinic Site, Gender

^cModel 3: Age, Race, Clinic Site, Gender, Smoking and Alcohol use, BMI, Change in BMI, Frailty Status, diabetes status, renal function, medication use, prevalent CHD, self-reported health

β Beta (β is the average change in the outcome per increase of 1000 pg/ml for SDF-1)

SE standard error, CI confidence interval, p-val p-value