Korean Journal of Community Nutrition

Research Article

[English]
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: Hui-Yang Zhao, Hyunji Ham, Sumin Kim, Chang Hyeon Lee, Kyungho Ha, Sangah Shin; Korean J Community Nutr 2026;31(3):244-263. Published online June 30, 2026; DOI: https://doi.org/10.5720/kjcn.2026.00108

Abstract PDF: Objectives
This 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.
Methods
Data 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).
Results
Over 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.
Conclusion
This 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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Original Article

[English]
The Nutrient Intakes of Rural High-Schoolers with Depressire Tendencies: Seung Gyo Rhie, Gun Soon Lee; Korean J Community Nutr 1999;4(3):356-365. Published online September 30, 1999

Abstract PDF: This study was carried out to evaluate high-school students' nutrient intakes according to the status of depressive trends, and to analyse the in physical and mental health status. The volunteers were 560 high school students selected from 8 provinces, but 511 students were analyzed. A was used for evaluation, The questions were composed in consideration of socio-demographic characteristics, physical health condition by CMI, mental condition assessed by a modified Zung's self-rating depression scale (SDS), and the evaluation of food consumption by a 24 hours recall method. The family situations of the subjects were mostly nuclear family(73%), agricultural work(53%), and having religion(53%). Only 3% of the students suffered depression where as 19% showed depression trendencies. The individual factors that affected their mental condition were family farming and consciousness of academic accomplishment. The health status counted with CMI was 6.2/20 scores. The non-depressed trend group of students had a lower score of CMI than others. The overall nutrient intakes of students were low compared with the Korean RDA for adolescents. The Mean Adequacy Ratio(MAR) of nutrient intakes was only 0.45 +/- 0.23. Iron, vitamin A, and riboflavin intakes were significantly low and correlated with depressive trend score. The result from the regression analysis showed that CMI, study accomplishment, and vitamin A were the most significant factors influencing mental condition. We concluded that Korean rural high-school students were healthy in mental condition and showed lower rates of depression academic. For there more we could say that the intakes of iron and vitamin A also influenced mental health. Findings confirmed the need of becoming hopeful job of farming and better nutritional status. These situations would be necessary for students to ameliorate the quality of rural living.

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