Data are adjusted for age, gender, race, cigarette smoking, body mass index, ankle-brachial index, leg symptoms, recruitment cohort, comorbidities, statin use (C-reactive protein [CRP] only), total cholesterol, high-density lipoprotein cholesterol, hypertension, and tibia length (n = 423). Red bars = first quartile; yellow bars = second quartile; green bars = third quartile; blue bars = fourth quartile. IL = interleukin; PAD = peripheral arterial disease; sICAM-1 = soluble intracellular adhesion molecule; sVCAM-1 = soluble vascular cellular adhesion molecule.