Appropriate waist circumference cut points for identifying insulin resistance in black youth: a cross sectional analysis of the 1986 Jamaica birth cohort oleh Tulloch-Reid Marshall K, Ferguson Trevor S, Younger Novie OM, Van den Broeck Jan, Boyne Michael S, Knight-Madden Jennifer M, Samms-Vaughan Maureen E, Ashley Deana E, Wilks Rainford J