{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,28]],"date-time":"2025-10-28T18:38:38Z","timestamp":1761676718595,"version":"3.40.5"},"reference-count":26,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2019,1,2]],"date-time":"2019-01-02T00:00:00Z","timestamp":1546387200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100003593","name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100003593","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of School Health"],"published-print":{"date-parts":[[2019,2]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:sec><jats:title>BACKGROUND<\/jats:title><jats:p>Sedentary behavior (SB) is related to unhealthy outcomes and is performed in many contexts, including school. The aim of this study was to identify sociodemographic, biological, and psychosocial correlates of SB performed at school in a sample of adolescents.<\/jats:p><\/jats:sec><jats:sec><jats:title>METHODS<\/jats:title><jats:p>Adolescents provided information regarding sex, age, socioeconomic status, and psychosocial variables related to physical activity (self\u2010efficacy, attitudes, perception of school environment, peer and parental support). Body fat was estimated using skinfolds, and maximum aerobic capacity with a 20\u2009m shuttle run. Adolescents wore accelerometers and SB performed during class time, physical education (PE) classes, and recesses was estimated.<\/jats:p><\/jats:sec><jats:sec><jats:title>RESULTS<\/jats:title><jats:p>Adolescents (N\u2009=\u2009567, 53% female, 12.9\u2009\u00b1\u20095.3\u00a0years old) spent 67% of class time, 41% of PE classes, and 41% of recesses in SB. Girls spent more time in SB, and age was negatively associated with SB. Body fat was positively associated with SB in class time and PE classes. Peer support for physical activity was negatively associated with SB in class time, whereas attitudes related to physical activity were negatively associated with SB during PE classes and recesses.<\/jats:p><\/jats:sec><jats:sec><jats:title>CONCLUSION<\/jats:title><jats:p>Adolescents spend long periods in SB at school, even during opportunities to be active like PE classes and recesses.<\/jats:p><\/jats:sec>","DOI":"10.1111\/josh.12716","type":"journal-article","created":{"date-parts":[[2019,1,3]],"date-time":"2019-01-03T07:05:47Z","timestamp":1546499147000},"page":"99-105","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Pattern of Sedentary Behavior in Different Periods of School Time of Brazilian Adolescents"],"prefix":"10.1111","volume":"89","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5132-1512","authenticated-orcid":false,"given":"Bruno G. G.","family":"da Costa","sequence":"first","affiliation":[{"name":"Research Center in Physical Activity and Health (Room 48), Center of Sports, Campus Jo\u00e3o David Ferreira Lima Florian\u00f3polis, Santa Catarina State 88040\u2010900 Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kelly S.","family":"da Silva","sequence":"additional","affiliation":[{"name":"Research Center in Physical Activity and Health (Room 48), Center of Sports, Campus Jo\u00e3o David Ferreira Lima Florian\u00f3polis, Santa Catarina State 88040\u2010900 Brazil"},{"name":"Research Center in Physical Activity and Health, Federal University of Santa Catarina"},{"name":"Department of Physical Education Federal University of Santa Catarina"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alexsandra S.","family":"Bandeira","sequence":"additional","affiliation":[{"name":"Research Center in Physical Activity and Health (Room 48), Center of Sports, Campus Jo\u00e3o David Ferreira Lima Florian\u00f3polis, Santa Catarina State 88040\u2010900 Brazil"},{"name":"Research Center in Physical Activity and Health\u00a0\u2013\u00a0Federal University of Santa Catarina"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Cilene R.","family":"Martins","sequence":"additional","affiliation":[{"name":"Methodist College of Santa Maria\u00a0\u2013\u00a0FAMES, Dr. Turi Street, 2003, Downtown Neighborhood, Santa Maria, Rio Grande do Sul State 97010\u2010200 Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J\u00e9ssika A. 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