• Kayoung Lee.
• Department of Family Medicine, Busan Paik Hospital Inje University College of Medicine, Busan, Republic of Korea. Electronic address: kayoung.fmlky@gmail.com.
• Prev Med. 2024 Mar 1; 180: 107854107854.

ObjectiveWe assessed trends in prevalence of overweight and obesity, self-perceived overweight or obesity, and efforts to lose weight among Korean older adults from 2005 to 2021.MethodsUsing Korea National Health and Nutrition Examination Survey data from 2005 to 2021, we assessed prevalence of overweight and obesity (body mass index≥25 kg/m2), self-perceived overweight or obesity, and self-reported weight loss efforts among Korean adults aged ≥60 years (11,936 men, 15,966 women). Complex sample frequency and linear by linear association analyses were conducted.ResultsThe prevalence of overweight and obesity tended to increase only in men, from 28.9% to 37.2% (P for trend<0.001). The prevalence of self-perceived overweight or obesity increased from 18.9% to 35.3% in men and 32.5% to 48.6% in women (P for trend<0.001) and tended to increase regardless of their actual weight (P for trend<0.001). The prevalence of weight loss efforts increased from 17.9% to 28.8% in men and 19.2% to 38.2% in women (P for trend<0.001) and increased in men and women who were not overweight or obese and in women who were overweight or obese (P for trend<0.001). The prevalence of weight loss efforts increased in women who self-perceived themselves as overweight or obese regardless of their actual weight, and in men who self-perceived themselves as overweight or obese even though they were not (P for trend<0.05).ConclusionsThere were increasing trends in the prevalence of overweight and obesity in older Korean men, self-perceived overweight or obesity, and weight loss efforts in older Korean men and women.Copyright © 2024 Elsevier Inc. All rights reserved.

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