• Amanda S Newton, Jianling Xie, Bruce Wright, Conné Lategan, Kathleen Winston, and Stephen B Freedman.
• From the Department of Pediatrics, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Canada.
• Pediatr Emerg Care. 2023 Jul 1; 39 (7): 542547542-547.

ObjectiveWe examined emergency department (ED) mental health visit trends by children in relation to periods of school closure and reopening during the COVID-19 pandemic in Alberta, Canada.MethodsMental health visits by school-aged children (5 to <18 years) were extracted from the Emergency Department Information System, a province-wide database, from March 11, 2020, to November 30, 2021 (pandemic period; n = 18,997) and March 1, 2019, to March 10, 2020 (1-year, prepandemic comparator period; n = 11,540). We calculated age-specific visit rates and compared rate differences between periods of school closure (March 15-June 30, 2020; November 30, 2020-January 10, 2021; April 22-June 30, 2021) and reopening (September 4-November 29, 2020; January 11-April 21, 2021; September 3-November 30, 2021) to matched prepandemic periods. We used a ratio of relative risk to examine the risk of a visit during closures versus reopenings.ResultsThe cohort included 11,540 prepandemic visits and 18,997 pandemic visits. Compared with prepandemic periods, ED visit rates increased across all ages during the first (+85.53%; 95% confidence interval [CI], 73.68% to 100.41%) and third (+19.92%; 95% CI, 13.28% to 26.95%) school closures, and decreased during the second closure (-15.37%; 95% CI, -22.22% to -7.92%). During school reopenings, visit rates decreased across all ages during the first reopening (-9.30%; 95% CI, -13.94% to -4.41%) and increased during the third reopening (+13.59%; 95% CI, 8.13% to 19.34%); rates did not change significantly during the second reopening (2.54%; 95% CI, -3.45% to 8.90%). The risk of a visit during school closure versus reopening was only higher for the first closure with 2.06 times the risk (95% CI, 1.88 to 2.25).ConclusionsEmergency department mental health visit rates were highest during the first school closure of the COVID-19 pandemic, and the risk of a visit during this closure period was twice compared with when schools first reopened.Copyright © 2023 Wolters Kluwer Health, Inc. All rights reserved.

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