(HealthDay News) — The mean age of diabetes diagnosis is four to seven years younger in non-Hispanic Black and Mexican American adults versus White adults in the United States, according to a research letter published online in JAMA Internal Medicine.

Michael C. Wang, from the Northwestern University Feinberg School of Medicine in Chicago, and colleagues pooled data for two-year cycles of the National Health and Nutrition Examination Survey (2011 through 2018) to compare self-reported age at diabetes diagnosis by race/ethnicity among 3,022 U.S. adults.

The researchers found that the mean age at diabetes diagnosis overall was 49.9 years. Compared with non-Hispanic White adults (mean age, 51.8 years), Mexican American and non-Hispanic Black adults reported a significantly younger mean age at diagnosis (47.2 and 44.9 years, respectively). Compared with non-Hispanic White adults (14.4%), the weighted proportion of adults with diabetes diagnosed at younger than 40 years was significantly greater among Mexican American adults (35.0%) and non-Hispanic Black adults (25.1%).

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“Efforts to prevent and manage diabetes earlier in the life course may help reduce the substantial premature morbidity and mortality associated with diabetes,” the authors write.

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