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Dynamics of childhood obesity in Hong Kong throughout the COVID-19 pandemic before and after the school closures: a 3-year longitudinal study

  • K. M. Yip
  • , H.K. So
  • , W. H.S. Wong
  • , R. S. Wong
  • , K. T.S. Tung
  • , W. W.Y. Tso
  • , I. C.K. Wong
  • , J. C. Yam
  • , M. Y.W. Kwan
  • , G. P.G. Fung
  • , S. W.S. Wong
  • , P. Ip*
  • *Corresponding author for this work
  • University of Hong Kong
  • Education University of Hong Kong
  • Chinese University of Hong Kong
  • Princess Margaret Hospital Authority
  • Hong Kong Children's Hospital

Research output: Contribution to journalArticlepeer-review

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Abstract

Objective: This study is to evaluate if there is any difference in the balance between incidence of and remission from overweight/obesity in Hong Kong school-age children before and during the COVID-19 pandemic over three years. Methods: This is a retrospective longitudinal study that involved children aged 6–16 years from a database of the School Physical Fitness Award Scheme. Results: 2765 students were longitudinally followed up for two years. The prevalence of childhood overweight/obesity was increased between the 2019 and 2021 academic years (P < 0.001). During the COVID-19 pandemic, the rate of obesity remission significantly reduced by 7.9 % (P = 0.003), at a background of a plateau of obesity among children and adolescents. Conclusions: Our study provides evidence on the impact of school closure and home confinement as a standard infection control measure for the prevention of COVID-19, which are likely to break the balance between incidence of and remission from childhood obesity.

Original languageEnglish
Pages (from-to)80-83
Number of pages4
JournalPublic Health
Volume226
Early online date27 Nov 2023
DOIs
Publication statusPublished - Jan 2024

Bibliographical note

Copyright © 2023 The Authors. Published by Elsevier Ltd on behalf of The Royal Society for Public Health. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0/).

Funding

This study was funded by the Collaborative Research Fund, University Grants Committee (Reference No.: C7149-20GF, Project Title: Impact of COVID-19 pandemic on Hong Kong children and support to families during crisis).

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Keywords

  • Childhood obesity
  • COVID-19
  • Hong Kong children
  • Longitudinal study
  • Remission of obesity

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