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Physical fitness before and during the COVID-19 pandemic:Results of annual national physical fitness surveillance among 16,647,699 Japanese children and adolescents between 2013 and 2021

引用

Journal of Sport and Health Science 2023年第2期12卷 246-254页

作者： Tetsuhiro Kidokoro Grant R.Tomkinson justin jlang Koya Suzuki Research Institute for Health and Sport Science Nippon Sport Science UniversityTokyo 158-8508Japan Graduate School of Health and Sports Science Juntendo UniversityInzai City 270-1695Japan Alliance for Research in Exercise Nutrition and Activity(ARENA)University of South AustraliaAdelaideSA 5000Australia Centre for Surveillance and Applied Research Public Health Agency of CanadaOttawaON K1A 0K9Canada School of Epidemiology and Public Health University of OttawaOttawaON K1H 8M5Canada Healthy Active Living and Obesity Research Group Children’s Hospital of Eastern Ontario Research InstituteOttawaON K1H 8L1Canada

Background:Limited nationally representative evidence is available on temporal trends in physical fitness(PF)for children and adolescents during the coronavirus disease 2019(COVID-19)*** primary aim was to examine the temporal trends in PF for Japanese children and adolescents before and during the COVID-19 *** secondary aim was to estimate the concurrent trends in body size(measured as body mass and height)and movement behaviors(exercise,screen,and sleep time).Methods:Census PF data for children in Grade 5(aged 10-11 years)and adolescents in Grade 8(aged 13-14 years)were obtained for the years 2013-2021 from the National Survey of Physical Fitness,Athletic Performance,and Exercise Habits in Japan(n=16,647,699).PF and body size were objectively measured,and movement behaviors were *** sample-weighted linear regression,temporal trends in mean PF were calculated before the pandemic(2013-2019)and during the pandemic(2019-2021)with adjustments for age,sex,body size,and exercise ***:When adjusted for age,sex,body size,and exercise time,there were significant declines in PF during the pandemic,with the largest declines observed in 20-m shuttle run(standardized(Cohen’s)effect size(ES)=-0.109 per annum(p.a.))and sit-ups performance(ES=-0.133p.a.).The magnitude of the declines in 20-m shuttle run and sit-ups performances were 18-and 15-fold larger,respectively,than the improvements seen before the pandemic(2013-2019),after adjusting for age,sex,body size,and exercise *** the pandemic,both body mass and screen time significantly increased,and exercise time ***:Declines in 20-m shuttle run and sit-ups performances suggest corresponding declines in population health during the COVID-19pandemic.

关键词： Census Physical inactivity Public health Temporal trends Youth

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