Public health weekly report · 2026
Prevalence of Obesity among Korean Adults Using the Korea Community Health Survey Data.
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Ko Yoon-Sil, Kim Eun Kyeong, Kim Youmi
Аннотация
OBJECTIVES: Obesity is a major public health agenda due to its association with increased risk of chronic diseases and cancer. This study examined the prevalence and trends of obesity among Korean adults using the Korea Community Health Survey data.
METHODS: Data from approximately 230,000 adults aged ≥19 years who participated annually in the Korea Community Health Survey between 2015 and 2024 were analyzed. Obesity was defined as a body mass index ≥25 kg/m2 based on self-reported height and weight. Annual trends and regional distributions in obesity prevalence were assessed with descriptive statistics, and associations with sociodemographic characteristics were examined using multivariable logistic regression models. All analyses incorporated the complex sampling design and survey weights, and were performed using SAS version 9.4.
RESULTS: In 2024, obesity prevalence among Korean adults was 34.4%, and had increased steadily over the past decade. The prevalence was greater in men (41.4%) than in women (23.0%). Among men, the prevalence of obesity was highest in those aged 30-49 years, while among women, it was higher among those aged ≥60 years. Jeonnam and Jeju had the highest prevalence (36.8%), whereas Sejong had the lowest prevalence (29.1%).
CONCLUSIONS: The prevalence of obesity among Korean adults increased steadily over the past decade, with substantial differences by sex, age, and region. Continuous monitoring and targeted prevention and management strategies are needed to address population-specific characteristics.
METHODS: Data from approximately 230,000 adults aged ≥19 years who participated annually in the Korea Community Health Survey between 2015 and 2024 were analyzed. Obesity was defined as a body mass index ≥25 kg/m2 based on self-reported height and weight. Annual trends and regional distributions in obesity prevalence were assessed with descriptive statistics, and associations with sociodemographic characteristics were examined using multivariable logistic regression models. All analyses incorporated the complex sampling design and survey weights, and were performed using SAS version 9.4.
RESULTS: In 2024, obesity prevalence among Korean adults was 34.4%, and had increased steadily over the past decade. The prevalence was greater in men (41.4%) than in women (23.0%). Among men, the prevalence of obesity was highest in those aged 30-49 years, while among women, it was higher among those aged ≥60 years. Jeonnam and Jeju had the highest prevalence (36.8%), whereas Sejong had the lowest prevalence (29.1%).
CONCLUSIONS: The prevalence of obesity among Korean adults increased steadily over the past decade, with substantial differences by sex, age, and region. Continuous monitoring and targeted prevention and management strategies are needed to address population-specific characteristics.