HealthDay News — The prevalence of type 1 and type 2 diabetes is 0.5 and 8.5 percent, respectively, among U.S. adults, according to a study published online Sept. 4 in The BMJ.

Guifeng Xu, M.D., from the University of Iowa in Iowa City, and colleagues conducted a nationwide study involving 58,186 adults aged 20 years or older to examine the prevalence of diagnosed diabetes, type 1 diabetes, and type 2 diabetes in the U.S. general population.

The researchers found that 6,317 adults received a diagnosis of diabetes. Among U.S. adults, the weighted prevalence of diagnosed diabetes, type 1 diabetes, and type 2 diabetes was 9.7, 0.5, and 8.5 percent, respectively. 

The prevalence of type 1 diabetes was higher among adults with lower education level, while type 2 diabetes was more prevalent among older adults, men, and those with lower education level, lower family income level, and higher body mass index (BMI). 


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The weighted percentage of type 1 and type 2 diabetes was 5.6 and 91.2 percent, respectively, among adults with a diagnosis of diabetes. Younger adults (20 to 44 years), non-Hispanic white people, those with higher education level, and those with lower BMI had a higher percentage of type 1 diabetes.

“Continued monitoring is needed to examine dynamic changes in the prevalence of type 1 and type 2 diabetes and their proportions in people with a diagnosis of diabetes in the U.S. general population,” the authors write.

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