Descriptive characteristics among all participants and by racial group.

*As measured by two-sample independent t-test. Bolded values represent those that are significantly different between racial groups (P≤0.05). Abbreviations: AA, African American; EA, European American; BMI, body mass index; SES, socioeconomic status; SBP, systolic blood pressure; DBP, diastolic blood pressure; FMD, flow-mediated dilation; AIx75, augmentation index standardized to a heart rate of 75 beats/min; PTH, parathyroid hormone; 25(OH)D, 25-hydroxyvitamin D; VDBP, vitamin D binding protein; HOMA-IR, homeostatic model assessment of insulin resistance. Descriptive characteristics among all participants and by racial group.