Korean Journal of Community Nutrition

Research Article

[Korean]
Biochemical Characteristics and Dietary Intake according to Household Income Levels of Korean Adolescents: Using Data from the 6th (2013 ~ 2015) Korea National Health and Nutrition Examination Survey: Yu-Kyeong Kwon, Sook-Bae Kim; Korean J Community Nutr 2021;26(6):467-481. Published online December 31, 2021; DOI: https://doi.org/10.5720/kjcn.2021.26.6.467

Objectives
The purpose of this study was to examine the biochemical characteristics, intake of energy, and nutrients by household income levels of Korean adolescents aged 12 to 18 years.
Methods
Data from the 6th (2013 ~ 2015) Korea National Health and Nutrition Examination Survey (KNHNES) were used for the study. A total of 1,839 (966 boys, 873 girls) subjects were included, and they were divided into four income groups according to their household income level. We examined general characteristics (gender, region of residence, skipping or not-skipping breakfast, lunch, dinner, frequency of eating-out), anthropometric characteristics (height, weight, weight status), biochemical characteristics (fasting plasma glucose, blood urea nitrogen, creatinine, triglycerides, cholesterol, HDLcholesterol, hemoglobin, and hematocrit), the quantitative intake of energy and nutrients using the Korean Dietary Reference Intakes (KDRI), and the qualitative intake evaluated by the nutrition adequacy ratio (NAR) and mean nutrition adequacy ratio (MAR) of the four groups.
Results
There were significant differences by income group within the region of residence and the rate of skipping breakfast, lunch, and dinner. The low-income group had a higher rate of skipping breakfast, lunch, and dinner. According to the income group, there was a difference in the height of boys, and there was no difference in the weight and obesity of boys and girls. In the biochemical characteristics, only the hematocrit of girls showed differences by income group. The quantitative intake of energy and nutrients compared with KDRI differed by income group. There were differences in energy, carbohydrates, proteins, thiamin, riboflavin, niacin, and phosphorus levels in boys and protein, vitamin A, niacin, and sodium levels in girls. The qualitative intake of energy and nutrients examined using NAR and MAR also differed according to the income group. The NAR showed differences in calcium in boys and vitamin C and calcium in girls. The MAR revealed differences in both boys and girls by income group.
Conclusions
Among adolescents in the low-income group, the rate of skipping meals was high, and the quantitative and qualitative intake of energy and some nutrients was low. It is suggested that the nutritional intake can be improved by lowering the rate of skipping breakfast, lunch, dinner. We suggest that even just providing breakfast in schools can be considered highly effective in improving the rate of avoidance of skipping meals and improving nutrient intake. Also, we suggest that it is necessary to improve the food environment, food availability, and food accessibility through national and social support for low-household income adolescents.

Citations

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Clinical Nutrition Research.2025; 14(1): 55. CrossRef
Comparison of Food and Nutrient Intake according to the Income Level in Korean Adult Single-Person Households: Using Data from the Korea National Health and Nutrition Examination Survey (2016-2018)
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The Korean Journal of Community Living Science.2024; 35(3): 445. CrossRef
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제한적인 등교 상황에서 중고등학생의 신체적·정신적 건강 및 식생활 행태 변화:
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Korean Journal of Food and Cookery Science.2023; 39(3): 213. CrossRef
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Original Article

[English]
Factors Associated with Fruit and Vegetable Consumption of Subjects Having a History of Stroke: Using 5th Korea National Health and Nutrition Examination Survey (2010, 2011): Sung Je Kim, Mi Kyung Choi; Korean J Community Nutr 2014;19(5):468-478. Published online October 31, 2014; DOI: https://doi.org/10.5720/kjcn.2014.19.5.468

Abstract PDF PubReader

OBJECTIVES
Intake of fruits and vegetables has protective effects against stroke attack. This study intended to examine the status of consuming fruits and vegetables and to find out which factors may influence the frequency of consumption of fruits and vegetables in individuals with a history of stroke.
METHODS
The data of 208 subjects from 5th (2010, 2011) Korea National Health and Nutrition Examination Survey (KNHNES) who reported a stroke diagnosis was used for analysis. To identify major factors influencing the consumption of fruits and vegetables, a classification-tree analysis was carried out.
RESULTS
Among those who reported a stroke diagnosis, the frequencies of consumption of fruits and vegetables were influenced by their age, place of residence (urban or rural), economic status, educational level, occupation, number of family members, frequency of eating out, and having meals (breakfast or lunch) with family members. Two factors from fruits and three factors from vegetables were generated by exploratory factor analyses. Urban residents ate fruits and vegetables more frequently in all factors than rural residents. Eating frequencies of 'seasonal fruits (orange, apple, strawberry, melon, pear and watermelon)', 'easily-accessible fruits (persimmon, tangerine, grape, peach, banana)', and 'Western-style vegetables (cabbage, mushroom, carrot, tomato, spinach)' were influenced by the socioeconomic status. Eating frequencies of 'Korean-style vegetables (bean sprout, radish leaves, pumpkin/squash, sea weed)', 'preserved vegetables (Korean cabbage, radish, laver, cucumber)' were influenced by having breakfast with amily members.
CONCLUSIONS
The results of this study suggested that by eating more fruits and vegetables, more preventive effects against secondary stroke attack are expected in stroke patients who live in the rural areas and who do not eat breakfast with family members. In addition, more outreach and education programs are needed for them.

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BMC Public Health.2021;[Epub] CrossRef
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Nutrition & Food Science.2019; 50(2): 384. CrossRef
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