{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,18]],"date-time":"2026-09-18T10:15:24Z","timestamp":1789726524322,"version":"4.0.1"},"reference-count":49,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2024,5,10]],"date-time":"2024-05-10T00:00:00Z","timestamp":1715299200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100002241","name":"Japan Science and Technology Agency","doi-asserted-by":"publisher","award":["JPMJPR22R4"],"award-info":[{"award-number":["JPMJPR22R4"]}],"id":[{"id":"10.13039\/501100002241","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Pediatric Obesity"],"published-print":{"date-parts":[[2024,7]]},"abstract":"<jats:title>Summary<\/jats:title><jats:sec><jats:title>Introduction<\/jats:title><jats:p>The COVID\u201019 pandemic posed tremendous challenges for children. However, the long\u2010term effects of the pandemic on various aspects of physical health at a national level remain unclear.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>In this retrospective cohort study, we analysed data from nationwide health checkup records amongst children aged 7\u201315\u2009years. The dataset comprised 3\u2009544\u2009146 records from 393\u2009794 individuals who graduated from junior high school during fiscal years 2007 to 2022. Difference\u2010in\u2010differences (DID) analyses with multiple time periods were used to examine the impact of COVID\u201019 on physical health outcomes.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Compared with the pre\u2010pandemic period, the COVID\u201019 pandemic was associated with excess increases in obesity for boys and girls, persisting over the 3\u2009years (+0.42%; [95% CI, 0.23\u20130.61]). Also, it was associated with excess increases in underweight (+0.28% [0.25\u20130.32]) and poor visual acuity amongst boys in the 3rd year (+1.80% [1.30\u20132.30]). There were excess reductions in dental caries (\u22121.48% [\u22122.01 to \u22120.95]), glucosuria (\u22120.55 [\u22120.88 to \u22120.23]) and hematuria (\u22120.43% [\u22120.73 to \u22120.13]) during the 3rd year of the pandemic.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>These findings underscore the multifaceted impact of the pandemic on various health indicators for school\u2010aged children. This information could be valuable for public health policy and paediatric healthcare planning in the post\u2010pandemic era.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ijpo.13126","type":"journal-article","created":{"date-parts":[[2024,5,10]],"date-time":"2024-05-10T09:34:45Z","timestamp":1715333685000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Impact of <scp>COVID<\/scp>\u201019 pandemic on physical health amongst children: Difference\u2010in\u2010differences analyses of nationwide school health checkup database"],"prefix":"10.1111","volume":"19","author":[{"given":"Yusuke","family":"Okubo","sequence":"first","affiliation":[{"name":"Department of Social Medicine National Center for Child Health and Development  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kazue","family":"Ishitsuka","sequence":"additional","affiliation":[{"name":"Department of Social Medicine National Center for 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