• Diabetes care · Mar 2009

    Diabetes in African American youth: prevalence, incidence, and clinical characteristics: the SEARCH for Diabetes in Youth Study.

    • Elizabeth J Mayer-Davis, Jennifer Beyer, Ronny A Bell, Dana Dabelea, Ralph D'Agostino, Giuseppina Imperatore, Jean M Lawrence, Angela D Liese, Lenna Liu, Santica Marcovina, Beatriz Rodriguez, and SEARCH for Diabetes in Youth Study Group.
    • Department of Nutrition, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.
    • Diabetes Care. 2009 Mar 1;32 Suppl 2:S112-22.

    ObjectiveTo report the prevalence and incidence of type 1 and type 2 diabetes among African American youth and to describe demographic, clinical, and behavioral characteristics.Research Design And MethodsData from the SEARCH for Diabetes in Youth Study, a population-based, multicenter observational study of youth with clinically diagnosed diabetes aged 0-19 years, were used to estimate the prevalence for calendar year 2001 (692 cases) and incidence based on 748 African American case subjects diagnosed in 2002-2005. Characteristics of these youth were obtained during a research visit for 436 African American youth with type 1 diabetes and 212 African American youth with type 2 diabetes.ResultsAmong African American youth aged 0-9 years, prevalence (per 1,000) of type 1 diabetes was 0.57 (95% CI 0.47-0.69) and for those aged 10-19 years 2.04 (1.85-2.26). Among African American youth aged 0-9 years, annual type 1 diabetes incidence (per 100,000) was 15.7 (13.7-17.9) and for those aged 10-19 years 15.7 (13.8-17.8). A1C was >or=9.5% among 50% of youth with type 1 diabetes aged >or=15 years. Across age-groups and sex, 44.7% of African American youth with type 1 diabetes were overweight or obese. Among African American youth aged 10-19 years, prevalence (per 1,000) of type 2 diabetes was 1.06 (0.93-1.22) and annual incidence (per 100,000) was 19.0 (16.9-21.3). About 60% of African American youth with type 2 diabetes had an annual household income of <$25,000. Among those aged >or=15 years, 27.5% had an A1C >or=9.5%, 22.5% had high blood pressure, and, across subgroups of age and sex, >90% were overweight or obese.ConclusionsType 1 diabetes presents a serious burden among African American youth aged <10 years, and African American adolescents are impacted substantially by both type 1 and type 2 diabetes.

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