Korean Journal of Community Nutrition

[Korean]
Application of a living lab model to an evidence-based reduced-sodium healthy eating practice program in Korea: a pre-post study: Jung-Hyun Kim, Eugene Shim, Min Sook Kyung, Sooyoun Kwon, Hyoung Su Park, Jae-Heon Kang; Korean J Community Nutr 2025;30(1):53-63. Published online February 28, 2025; DOI: https://doi.org/10.5720/kjcn.2024.00346

Abstract PDF PubReader ePub: Objectives
To apply a healthy dietary program with reduced sodium intake, developed using data from the Korea National Health and Nutrition Examination Survey (KNHANES), focusing on the sodium intake level and eating patterns.
Methods
The program was implemented using a living lab model, an open innovation ecosystem for user-centered problem-solving. Analysis of the KNHANES data revealed that older age groups had a low energy intake but a high sodium intake, particularly among those who frequently dined out. The program was designed to improve sodium-reduction literacy and enhance practical competency. Over four weeks, 40 participants tracked their dietary intake and worked with a clinical nutritionist through a process of diagnosis, experience, improvement, and expansion. A self-administered survey was conducted before and after the program to assess effectiveness.
Results
Participants were four teenagers (10%), 26 in their twenties (65%), and 10 aged ≥ 30 years (25%), with eight males (20%) and 32 females (80%). Post-program analysis showed significant improvements in sodium-related nutrition knowledge (P < 0.01), with increased agreement on adopting low-sodium intake practices (e.g., interest in sodium content, choosing lower-sodium foods). Nutrient intake analysis showed a decrease in energy, carbohydrates, lipids, and proteins (P < 0.001), with sodium intake decreasing from 3,382.37 mg/d to 2,119.05 mg/d (P < 0.001).
Conclusion
The community-based, living lab model for the sodium-reduction program effectively improved participant sodium-reduction literacy and practical competency, suggesting that step-by-step, autonomous learning, can reduce sodium intake and promote healthier eating habits.

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[Korean]
Systematization of food and nutrition education content based on national kindergarten curriculum: a qualitative formative study: Jung-Hyun Kim, Eugene Shim, Eunyoung Baik; Korean J Community Nutr 2023;28(6):509-522. Published online December 31, 2023; DOI: https://doi.org/10.5720/kjcn.2023.28.6.509

Abstract PDF: Objectives
This study is intended to develop a curriculum for kindergarten food and nutrition education aimed at preschool children, reflecting government policy and meeting the demands of preschool settings.
Methods
Existing educational materials were analyzed, and key elements of the 2019 Revised Nuri Curriculum (“Nuri Curriculum”) and Guidelines for Nutrition and Food Education in Kindergartens, Elementary, Middle, and High Schools (“Guidelines”) were examined as foundational information for developing the curriculum for food and nutrition education.
Results
Basing ourselves on the five domains of the Nuri Curriculum, “Physical Activity and Health,” “Communication,” “Social Relationships,” “Art Experience,” and “Natural Science Inquiry,” we integrated three areas from the Guidelines, namely “Dietary Habits and Health,” “Dietary Habits and Safety,” and “Dietary Habits and Culture,” to structure the curriculum for kindergarten food and nutrition education. Three specific domains, “Nutrition and Health,” “Food and Culture,” and “Safe Dietary Practices,” were tailored for preschool children, each comprising core concepts, content elements, and educational materials. In the “Nutrition and Health” domain, core concepts such as “nutrition” were addressed through content elements such as “balanced eating” and “vegetables and fruit,” while “health” included elements such as “eating regularly” and “nutrients for disease prevention,” each with two educational content components. The “Food and Culture” domain focused on “food” with content on “local foods (vegetable-garden experience)” and “food culture” with content on “our dining table (rice and side dishes),” “our agricultural products,” “global cuisine (multiculture),” and “considerate dietary practices,” each with four educational content components. The “Safe Dietary Practices” domain included core concepts such as “hygiene” with content on “hand-washing habits” and “food poisoning management,” and “safety” with content on “food labeling.” Conclusions: The systematized curriculum for kindergarten food and nutrition education aligns with the Nuri Curriculum and is interconnected with the Guidelines. This curriculum can be used as foundational material for developing educational resources tailored to the characteristics of preschoolers, contributing to effective implementation in early childhood education.

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[English]
Levels of Serum Antioxidant Minerals and Enzyme Capacities of Korean Male Patients with Coronary Artery Disease: Eugene Shim, Soo Yeon Kim, Eun Jung Chung, Seung Yun Cho, Yang Cha Lee-Kim; Korean J Community Nutr 2007;12(4):396-404. Published online August 31, 2007

Abstract PDF: Increased oxidative stress contributes to the progression of atherosclerosis. We measured serum antioxidant mineral concentrations, capacities of serum antioxidant enzymes and fasting lipid profile in 97 male patients with coronary artery disease (CAD) and 21 male controls. Nutrient intake was assessed by the semi-quantitative food frequency method. CAD patients were divided into single-vessel disease (SVD, n = 66) and multi-vessel disease (MVD, n = 31) groups on the coronary angiography. The ratio of serum LDL- to HDL-cholesterol elevated with an increasing number of diseased vessels compared to the control (control < SVD

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