Psychological and physiological correlates of insulin resistance at fasting and in response to a meal in African Americans and Whites.

Background: African Americans are more insulin resistant than are Whites. The purpose of this study was to characterize physiologic and psychological (stress coping style) correlates of insulin resistance in African Americans and Whites.

Methods: We examined African American (n = 67) and White (n = 41) men and women aged 18-45 years with body mass index 18-35 kg/m2.