Table 5.

Incident hip fractures by SDF-1 concentration

		HR	95%CI	p-val
Hip fracture	Model 1	1.41	(1.004, 1.99)	0.05
	Model 2	1.14	(0.81, 1.62)	0.45
	Model 3	1.1	(0.73, 1.65)	0.65

Model 1: Unadjusted

Model 2: Age, Race, Clinic Site, Gender

Model 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

HR hazard ratio, the HR iss per an increase of 1000 pg/ml of SDF-1 (Cox proportional hazards models were used to estimate the hazard ratio)

CI confidence interval, p-val p-value