ArticleKorean journal of community nutrition2026
Changing patterns and related factors of kimchi consumption among Korean adults: a nationwide cross-sectional analysis of the Korea National Health and Nutrition Examination Survey, 2010-2024.
Article in Korean journal of community nutrition, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectivesThis study was conducted to analyze long-term trends in kimchi consumption and patterns among Korean adults using data from the Korea National Health and Nutrition Examination Survey (KNHANES) from 2010 to 2024, and to identify sociodemographic, dietary, and health-related factors associated with recent kimchi consumption.
methodsData from the 5th (2010) through 9th (2024) KNHANES were utilized. Trend analysis included 103,267 participants, while factor analysis focused on 14,244 adults aged ≥ 30 years (2022-2024). Changes in consumption form (side dish versus ingredient) and locations were examined. Multiple logistic regression was used to calculate odds ratios (ORs) for meeting the recommended intake (40 g/day).
resultsOver the past 15 years, kimchi consumption among Korean adults has significantly decreased regardless of gender (men: β = -1.53, women: β = -1.31, P for trend < 0.05). The proportion of individuals reporting no kimchi intake on the 24-hour recall day increased from 11.7% in 2010 to 22.7% in 2024. Among young adults (20-39 years), a qualitative shift occurred as consumption transitioned from side dishes to dish ingredients. At-home consumption decreased for all age groups under 60 years. Conversely, eating-out consumption increased for most groups, except for those aged 20-39 years, while school/ workplace consumption increased only in the 0-9 years age group. Analysis of the factors associated with meeting the recommended intake revealed that men, older adults, rural residents, married individuals, alcohol consumers, and smokers were more likely to meet the recommendation. Conversely, frequent solo dining or skipping meals were significantly associated with a lower likelihood of meeting the recommendation.
conclusionThis study confirms a structural shift in the Korean diet. Future strategies for preserving traditional food culture and establishing nutritional policies must be tailored to reflect modern dietary changes, such as an increase in single-person households and the spread of a solo-dining culture.
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