Title |
17-year trends of body mass index, overweight, and obesity among adolescents from 2005 to 2021, including the COVID-19 pandemic: a Korean national representative study.
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Published in |
European review for medical and pharmacological sciences [Eur Rev Med Pharmacol Sci] NLMUID: 9717360, February 2023
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DOI | 10.26355/eurrev_202302_31399 |
Pubmed ID | |
Authors |
C Y Ban, H Shin, S Eum, H Yon, S W Lee, Y S Choi, Y H Shin, J U Shin, A Koyanagi, L Jacob, L Smith, C Min, A Ö Yeniova, S Y Kim, J Lee, S-G Yeo, R Kwon, M J Koo, G Fond, L Boyer, K P Acharya, S Kim, H G Woo, S Park, J I Shin, S Y Rhee, D K Yon |
Abstract |
There is a lack of pediatric studies that have analyzed trends in mean body mass index (BMI) and the prevalence of obesity and overweight over a period that includes the mid-stage of the COVID-19 pandemic. Thus, we aimed to investigate trends in BMI, overweight, and obesity among Korean adolescents from 2005 to 2021, including the COVID-19 pandemic. We used data from the Korea Youth Risk Behavior Web-based Survey (KYRBS), which is nationally representative of South Korea. The study included middle- and high-school students between the ages of 12 and 18. We examined trends in mean BMI and prevalence of obesity and/or overweight during the COVID-19 pandemic and compared these to those of pre-pandemic trends in each subgroup by gender, grade, and residential region. Data from 1,111,300 adolescents (mean age: 15.04 years) were analyzed. The estimated weighted mean BMI was 20.48 kg/m2 (95% CI, 20.46-20.51) between 2005 and 2007, and this was 21.61 kg/m2 (95% CI, 21.54-21.68) in 2021. The prevalence of overweight and obesity was 13.1% (95% CI, 12.9-13.3%) between 2005 and 2007 and 23.4% (95% CI, 22.8-24.0%) in 2021. The mean BMI and prevalence of obesity and overweight have gradually increased over the past 17 years; however, the extent of change in mean BMI and in the prevalence of obesity and overweight during the pandemic was distinctly less than before. The 17-year trends in the mean BMI, obesity, and overweight exhibited a considerable rise from 2005 to 2021; however, the slope during the COVID-19 pandemic (2020-2021) was significantly less prominent than in the pre-pandemic (2005-2019). These findings enable us to comprehend long-term trends in the mean BMI of Korean adolescents and further emphasize the need for practical prevention measures against youth obesity and overweight. |
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Unknown | 1 | 100% |
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Members of the public | 1 | 100% |
Mendeley readers
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Unknown | 7 | 100% |
Demographic breakdown
Readers by professional status | Count | As % |
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Unspecified | 1 | 14% |
Student > Ph. D. Student | 1 | 14% |
Researcher | 1 | 14% |
Student > Doctoral Student | 1 | 14% |
Unknown | 3 | 43% |
Readers by discipline | Count | As % |
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Medicine and Dentistry | 2 | 29% |
Unspecified | 1 | 14% |
Psychology | 1 | 14% |
Biochemistry, Genetics and Molecular Biology | 1 | 14% |
Unknown | 2 | 29% |