Prevalence of Clinical Obesity in US Adults, 2017-2020.

Obesity (Silver Spring, Md.) Pub Date : 2025-07-14 DOI:10.1002/oby.24352

Yun Shen, Gang Hu

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Abstract

Objective: We aimed to estimate the prevalence of clinical obesity among US adults using the newly proposed definition and evaluate differences across demographic subgroups.

Methods: This cross-sectional study analyzed data from the National Health and Nutrition Examination Survey (NHANES) 2017-2020 cycle. The analysis included 8037 adults aged 20 years or older with complete data. Clinical obesity was defined per the Lancet Diabetes & Endocrinology Commission on the definition and diagnosis of clinical obesity.

Results: Among 8037 participants, the overall prevalence of clinical obesity was 9.7% (95% CI, 8.9%-10.5%), with comparable prevalence in males (9.8%) and in females (9.6%). Younger adults (aged 20-39 years) exhibited the highest prevalence (11.9%), followed by those aged 40-59 years (8.2%). Significant racial/ethnic and sex disparities were observed, with Mexican females having the highest prevalence (13.9%), followed by non-Hispanic Black females (13.5%) and non-Hispanic White males (10.6%). The prevalence decreased significantly when the new definition with organ dysfunctions or limitations of daily activities was applied compared with BMI alone.

Conclusions: This study provided the first nationally representative estimates of clinical obesity prevalence in US adults based on the new definition.

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2017-2020年美国成年人临床肥胖患病率

目的：我们旨在使用新提出的定义估计美国成年人临床肥胖的患病率，并评估人口亚组之间的差异。方法：本横断面研究分析了国家健康与营养检查调查（NHANES） 2017-2020周期的数据。该分析包括8037名年龄在20岁及以上的成年人，数据完整。临床肥胖是根据《柳叶刀》糖尿病与内分泌委员会对临床肥胖的定义和诊断来定义的。结果：在8037名参与者中，临床肥胖的总体患病率为9.7% (95% CI, 8.9%-10.5%)，男性（9.8%）和女性（9.6%）的患病率相当。年轻人（20-39岁）患病率最高（11.9%），其次是40-59岁（8.2%）。观察到明显的种族/民族和性别差异，墨西哥女性患病率最高（13.9%），其次是非西班牙裔黑人女性（13.5%）和非西班牙裔白人男性（10.6%）。当新的定义为器官功能障碍或日常活动受限时，与单独使用BMI相比，患病率明显下降。结论：本研究提供了第一个基于新定义的美国成年人临床肥胖患病率的全国代表性估计。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Obesity (Silver Spring, Md.)

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