Relationships between reactive hyperemia and measures of body habitus in healthy, non-Hispanic white adolescents. BMI: β = 0.32, 95%CI: 0.05–0.58; BMI (%): β = 0.071, 95%CI: 0.027–0.12; waist circumference β = 0.14, 95% CI: 0.02–0.27; Fat (%) β = 0.22, 95% CI: 0.05–0.40; FMI: β = 0.45, 95% CI: 0.07–0.84; FFMI: β = 0.54, 95% CI = −0.27–1.34. BMI, body mass index