Research
Energy balance
Overall US adult obesity prevalence increased significantly from 2011 to 2018, with non-Hispanic Black individuals showing the highest prevalence but leveling off trends.
Overall obesity rates in the US are rising. To maintain health, focus on sustainable lifestyle changes such as balanced nutrition and regular physical activity, regardless of broader demographic trends.
StrongSupportsVERY_HIGH confidence
For the overall population, age adjusted prevalence of general obesity increased from 35.4% (95% confidence interval 32.5% to 38.3%) in 2011-12 to 43.4% (39.8% to 47.0%) in 2017-18 (P for trend <0.001)... The prevalence of general obesity has leveled off in the non-Hispanic black group (P for trend=0.52), although it is still the highest figure
Why this rating
Large, nationally representative sample with rigorous statistical adjustments and clear trend analysis.
Source
Trends in obesity and adiposity measures by race or ethnicity among adults in the United States 2011-18: population based study
Buyun Liu et al. · BMJ · 2021
DOI 10.1136/bmj.n365
cross_sectional · n=21399Cited 304×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
More from this paper
- Among US adults, non-Hispanic Black individuals exhibited a significant decrease in lean body mass from 2011 to 2018, while other racial/ethnic groups maintained stable or increased lean mass.Good
- Non-Hispanic Asian adults in the US experienced significant increases in all measured adiposity metrics (BMI, waist circumference, body fat percentage) and lean mass between 2011 and 2018.Good
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