Prevalence of obesity and severe obesity among adults : United States, 2017–2018
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Prevalence of obesity and severe obesity among adults : United States, 2017–2018

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    Data from the National Health and Nutrition Examination Survey • In 2017–2018, the age-adjusted prevalence of obesity in adults was 42.4%, and there were no significant differences between men and women among all adults or by age group. • The age-adjusted prevalence of severe obesity in adults was 9.2% and was higher in women than in men. • Among adults, the prevalence of both obesity and severe obesity was highest in non-Hispanic black adults compared with other race and Hispanic-origin groups. • The prevalence of severe obesity was highest among adults aged 40–59 compared with other age groups. • From 1999–2000 through 2017–2018, the prevalence of both obesity and severe obesity increased among adults. Obesity is associated with serious health risks (1). Severe obesity further increases the risk of obesity-related complications, such as coronary heart disease and end-stage renal disease (2,3). From 1999–2000 through 2015–2016, a significantly increasing trend in obesity was observed (4). This report provides the most recent national data for 2017–2018 on obesity and severe obesity prevalence among adults by sex, age, and race and Hispanic origin. Trends from 1999–2000 through 2017–2018 for adults aged 20 and over are also presented. Suggested citation: Hales CM, Carroll MD, Fryar CD, Ogden CL. Prevalence of obesity and severe obesity among adults: United States, 2017–2018. NCHS Data Brief, no 360. Hyattsville, MD: National Center for Health Statistics. 2020. CS314930 db360-h.pdf
  • Content Notes:
    Key findings -- What was the prevalence of obesity among adults in 2017–2018? -- Were there differences in the prevalence of obesity among adults by race and Hispanic origin in 2017–2018? -- What was the prevalence of severe obesity among adults in 2017–2018? -- What are the trends in obesity and severe obesity among adults? -- Summary -- Definition -- Data source and methods -- About the authors -- References.
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