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Changes in eating behaviors according to household income in adolescents during the COVID-19 pandemic: findings from the Korea National Health and Nutrition Examination Survey
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Hye Ah Lee, Ho Jung Lee, Bomi Park, Yoonhee Shin, Hyunjin Park, Hyesook Park
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Epidemiol Health. 2022;44:e2022102. Published online November 9, 2022
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DOI: https://doi.org/10.4178/epih.e2022102
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 Abstract
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Abstract
OBJECTIVES
To assess social inequalities in changes in dietary behaviors among adolescents during the coronavirus disease 2019 (COVID-19) pandemic, we compared changes in dietary behavior indicators by household income.
METHODS Using cross-sectional data from the 2019 and 2020 Korea National Health and Nutrition Examination Survey, the prevalence of dietary behaviors in adolescents (12-18 years old) was estimated and changes in dietary behaviors during the COVID-19 pandemic were evaluated. We assessed changes in dietary behaviors with a household income (as a measure of socioeconomic status, SES) disparity.
RESULTS During the COVID-19 pandemic, the average consumption of vegetables decreased and food insecurity worsened. Adolescents were more likely to skip breakfast than before COVID-19 (33.1 and 37.4%). Soft drink consumption also increased in 2020 from 2019 (7.6 and 14.8%), especially among boys. Average sugar intake and sodium intake showed a tendency to decrease only in girls, but there was no significant difference according to SES level. Skipping breakfast was particularly evident in the low-SES group, and the difference according to household income level (high vs. low) was greater during COVID-19 than before. The prevalence of soft drink consumption increased significantly in the low-SES group, but the rate of increase did not differ by SES level.
CONCLUSIONS We found that the social disparity in skipping breakfast was further aggravated during the COVID-19 pandemic. To reach a better understanding of the dietary behaviors of adolescents, continuous monitoring is necessary.
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Summary
Korean summary
국민건강영양조사 자료를 활용하여, COVID-19 팬데믹 전후 청소년의 식생활 변화 및 가구소득 수준에 따른 차이를 평가하였다. 대체로, 평균 채소 섭취량은 감소하고 탄산음료 소비는 증가한 것으로 나타났으며, 아침식사 결식율도 약간 증가한 것으로 나타났다. 게다가, 가구소득 수준에 따라 평가하였을 때, 아침식사 결식율 증가는 가구소득이 높은 군에 비해 가구소득 수준이 낮은 군에서 두드러진 것으로 나타났다. COVID-19 팬데믹이 장기화됨에 따라, 청소년의 식생활 변화에 대해서는 지속적인 모니터링이 필요하다.
Key Message
Using data from the 2019 and 2020 Korea National Health and Nutrition Examination Survey, changes in dietary behaviors of adolescents (12-18 years old) during the COVID-19 pandemic were evaluated. During the COVID-19 pandemic, average consumption of vegetables decreased and consumption of soft drinks increased in 2020 from 2019 (7.6% and 14.8%). In addition, the social disparity in skipping breakfast among adolescents was further aggravated. To reach a better understanding of the dietary behaviors of adolescents, continuous monitoring is necessary.
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Citations
Citations to this article as recorded by  - Dietary Changes of Youth during the COVID-19 Pandemic: A Systematic Review
Nicolas Woods, Jamie A Seabrook, Holly Schaafsma, Shauna Burke, Trish Tucker, Jason Gilliland
The Journal of Nutrition.2024; 154(4): 1376. CrossRef - Perceived Familial Financial Insecurity and Obesity Among Korean Adolescents During the COVID-19 Pandemic
Fumie Kaneko, Eunji Kim, Hokyou Lee, Kokoro Shirai, Ryo Kawasaki, Hyeon Chang Kim
Journal of Epidemiology.2024;[Epub] CrossRef - Intake of energy and macronutrients according to household income among elementary, middle, and high school students before and during the COVID-19 pandemic: a cross-sectional study
Chae-Eun Jeong, Heejin Lee, Jung Eun Lee
Korean Journal of Community Nutrition.2024; 29(3): 234. CrossRef - Analysis of health behavior, mental health, and nutritional status among Korean adolescents before and after COVID-19 outbreak: based on the 2019–2020 Korea National Health and Nutrition Examination Survey
Misun Lee, Sarang Jeong, Chong-Su Kim, Yoon Jung Yang
Journal of Nutrition and Health.2023; 56(6): 667. CrossRef
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