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Title: Prevalence of diagnosed type 1 and type 2 diabetes among US adults in 2016 and 2017: population based study.

Authors: Xu, Guifeng; Liu, Buyun; Sun, Yangbo; Du, Yang; Snetselaar, Linda G; Hu, Frank B; Bao, Wei

Published In BMJ, (2018 Sep 04)

Abstract: OBJECTIVE: To estimate the prevalence of diagnosed total diabetes, type 1 diabetes, and type 2 diabetes in the US general population and the proportions of each among US adults with a diagnosis of diabetes. DESIGN: Nationwide, population based, cross sectional survey. SETTING: National Health Interview Survey, 2016 and 2017. PARTICIPANTS: Adults aged 20 years or older (n=58 186), as a nationally representative sample of the civilian, non-institutionalized US population. MAIN OUTCOME MEASURES: Prevalence of diagnosed diabetes, type 1 diabetes, and type 2 diabetes in the US general population, and the proportions of each subtype in participants with a diagnosis of diabetes. RESULTS: Among the 58 186 included adults, 6317 had received a diagnosis of diabetes. The weighted prevalence of diagnosed diabetes, type 1 diabetes, and type 2 diabetes among US adults was 9.7% (95% confidence interval 9.4% to 10.0%), 0.5% (0.5% to 0.6%), and 8.5% (8.2% to 8.8%), respectively. Type 1 diabetes was more prevalent among adults with lower education level, and type 2 diabetes was more prevalent among older adults, men, and those with lower educational level, lower family income level, and higher body mass index (BMI). Among adults with a diagnosis of diabetes, the weighted percentage of type 1 and type 2 diabetes was 5.6% (4.9% to 6.4%) and 91.2% (90.4% to 92.1%), respectively. The percentage of type 1 diabetes was higher among younger adults (age 20-44 years), non-Hispanic white people, those with higher education level, and those with lower BMI, whereas the percentage of type 2 diabetes was higher among older adults (age ≥65 years), non-Hispanic Asians, those with lower education level, and those with higher BMI. CONCLUSION: This study provided benchmark estimates on the national prevalence of diagnosed type 1 diabetes (0.5%) and type 2 diabetes (8.5%) among US adults. Among US adults with diagnosed diabetes, type 1 and type 2 diabetes accounted for 5.6% and 91.2%, respectively.

PubMed ID: 30181166 Exiting the NIEHS site

MeSH Terms: Adult; Age Factors; Aged; Body Mass Index; Cross-Sectional Studies; Diabetes Mellitus, Type 1*/diagnosis; Diabetes Mellitus, Type 1*/epidemiology; Diabetes Mellitus, Type 2*/diagnosis; Diabetes Mellitus, Type 2*/epidemiology; Ethnic Groups; Female; Humans; Male; Middle Aged; Prevalence; Risk Factors; Socioeconomic Factors; United States/epidemiology

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