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Geographical Disparity in Cardiorespiratory Fitness among 3,189,540 Japanese Children and Adolescents before and during the Coronavirus 2019 Pandemic: An Ecological Study

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  • Tetsuhiro Kidokoro

    (Research Institute for Health and Sport Science, Nippon Sport Science University, Tokyo 158-8508, Japan)

Abstract

This ecological study aimed to use nationally representative physical fitness (PF) data to investigate the geographical disparities in cardiorespiratory fitness (CRF) among Japanese children across prefectures before and during the coronavirus 2019 (COVID-19) pandemic. The publicly available descriptive PF data of children from Grade 5 (10–11 years; n = 1,946,437) and adolescents from Grade 8 (13–14 years; n = 1,243,103) at the prefecture level (47 prefectures) were obtained from the annual census PF survey in 2019 (before the pandemic) and 2021 (during the pandemic). The 20 m shuttle run performance was used as a measure of CRF. Geographical disparity was evaluated using the coefficient of variation (CV) for CRF across prefectures. There were significant negative relationships between the magnitude of infections (evaluated as the number of confirmed cases) and changes in CRF at the prefecture level (r ≤ −0.293, p < 0.05). This study also found a substantial increase in CVs of CRF across prefectures for Grade 8 students, suggesting that COVID-19-related restrictions had widened the geographical disparity in CRF among Japanese adolescents. Adolescents’ CRF is an important marker for current and future health; hence, the findings of widening geographical disparities in CRF are suggestive of widening geographical disparities in health among the Japanese population.

Suggested Citation

  • Tetsuhiro Kidokoro, 2023. "Geographical Disparity in Cardiorespiratory Fitness among 3,189,540 Japanese Children and Adolescents before and during the Coronavirus 2019 Pandemic: An Ecological Study," IJERPH, MDPI, vol. 20(7), pages 1-12, March.
    • Handle: RePEc:gam:jijerp:v:20:y:2023:i:7:p:5315-:d:1110670
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    References listed on IDEAS

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    1. Camille Chambonnière & Nicole Fearnbach & Léna Pelissier & Pauline Genin & Alicia Fillon & Audrey Boscaro & Line Bonjean & Mélina Bailly & Julie Siroux & Terry Guirado & Bruno Pereira & David Thivel &, 2021. "Adverse Collateral Effects of COVID-19 Public Health Restrictions on Physical Fitness and Cognitive Performance in Primary School Children," IJERPH, MDPI, vol. 18(21), pages 1-10, October.
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