• Julie K Bower, Brittney N Butler, Seuli Bose-Brill, Jennifer Kue, and Christina L Wassel.
• The Ohio State University College of Public Health, Division of Epidemiology, 1841 Neil Ave, Suite 300, Columbus, OH 43210. Email: Bower.185@osu.edu.
• Prev Chronic Dis. 2019 Oct 24; 16: E145.

IntroductionGestational diabetes mellitus (GDM) is the most common complication of pregnancy and is associated with an increased risk for type 2 diabetes. Racial/ethnic minority populations are at a higher risk than non-Hispanic white populations of developing type 2 diabetes after GDM. The aim of this study was to describe racial/ethnic differences in hyperglycemia and receipt of screening services in a nationally representative sample of women with a history of GDM.MethodsOur sample included 765 women from the US National Health and Nutrition Examination Survey (2007-2016) with a history of GDM. We used logistic, multinomial, linear, and proportional hazards regression to evaluate racial/ethnic differences in development of diabetes after GDM, hyperglycemia (measured by HbA1c), and receipt of diabetes screening services.ResultsNon-Hispanic black women had 63% higher risk and Hispanic women and "other" racial/ethnic women had more than double the risk for diabetes compared with non-Hispanic white women. Among women with a GDM history who did not receive a diagnosis of diabetes by the time of the study examination, both non-Hispanic black women and Hispanic women were more likely than non-Hispanic white women to be in the prediabetes or diabetes range (measured HbA1c ≥5.7%). However, non-Hispanic black women had 2.07 (95% confidence interval, 1.29-3.81) times the odds of being screened for diabetes compared with non-Hispanic white women (P = .02).ConclusionDelays in identification of hyperglycemia and diagnosis of diabetes in racial/ethnic minority women may reflect differential delivery of guideline-based care or poor follow-up of abnormal screening test results.

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