Table 2.

Coefficients and β (Standardized Regression) Coefficients for Variables in Multivariate Model Relating Arterialized Venous Bicarbonate at Year 3 to BMD at Baseline (Year 1) and Year 3 Among the 2287 Members of the Health, Aging and Body Composition Cohort in Whom Arterialized Venous Blood Gas Measurements Were Obtained at the Year 3 Visit

Variable	Baseline (Year 1)				Year 3
	Coefficient	β Coefficient	SE	P Value	Coefficient	β Coefficient	SE	P Value
Arterialized venous bicarbonate, mmol/L	0.006	0.051	0.002	.001	0.007	0.057	0.002	.001
Race, Black/White	0.064	0.185	0.006	<.001	0.057	0.163	0.006	<.001
Gender, male/female	−0.124	−0.371	0.006	<.001	−0.114	−0.333	0.006	<.001
Clinic site, Memphis/Pittsburgh	0.028	0.084	0.005	<.001	0.031	0.092	0.005	<.001
Age, y	−0.003	−0.056	0.001	<.001	−0.004	−0.067	0.001	<.001
Weight, kg	0.005	0.418	0.0001	<.001	0.005	0.437	0.0002	<.001
Smoking status, yes/no	−0.002	−0.009	0.003	.56	−0.001	−0.003	0.003	.85
eGFR (MDRD), mL/min/1.73 m2	−0.001	−0.072	0.0002	<.001	−0.001	−0.067	0.0002	<.001

Abbreviation: MDRD, Modification of Diet in Renal Disease equation.