{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T01:17:35Z","timestamp":1787015855624,"version":"build-2736575974"},"reference-count":37,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2020,10,21]],"date-time":"2020-10-21T00:00:00Z","timestamp":1603238400000},"content-version":"vor","delay-in-days":20,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100003478","name":"Ministry of Health, Labour and Welfare","doi-asserted-by":"publisher","award":["19DA0301"],"award-info":[{"award-number":["19DA0301"]}],"id":[{"id":"10.13039\/501100003478","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003478","name":"Ministry of Health, Labour and Welfare","doi-asserted-by":"publisher","award":["H28\u2010Sukoyaka\u2010Ippan\u2010001"],"award-info":[{"award-number":["H28\u2010Sukoyaka\u2010Ippan\u2010001"]}],"id":[{"id":"10.13039\/501100003478","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003478","name":"Ministry of Health, Labour and Welfare","doi-asserted-by":"publisher","award":["H29Sukoyaka\u2010005 #29040501"],"award-info":[{"award-number":["H29Sukoyaka\u2010005 #29040501"]}],"id":[{"id":"10.13039\/501100003478","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003478","name":"Ministry of Health, Labour and Welfare","doi-asserted-by":"publisher","award":["H31Sukoyaka\u201019DA1003"],"award-info":[{"award-number":["H31Sukoyaka\u201019DA1003"]}],"id":[{"id":"10.13039\/501100003478","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100009619","name":"Japan Agency for Medical Research and Development","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100009619","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Pediatrics International"],"published-print":{"date-parts":[[2020,10]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Night\u2010shift lifestyles affect children as well as adults, and are associated with sleep and behavioral problems among children. This study aimed to investigate associations among sleep patterns, individual\/environmental factors, and problematic behaviors in children at age 5\u00a0years.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Data for sleep patterns, individual \/ environmental factors, and problematic behaviors for 8,689 5\u2010year\u2010old children were collected from health\u2010checkup records. Problematic behaviors investigated were anxious behavior (being afraid, difficulty being separated from the mother), developmental behavior (violence, restlessness, rebellious behavior, restrictive diet, stereotypic play), personal habits (thumb\u2010sucking, nail\u2010biting, tic, masturbation), and excretory problems. The relationships between sleep patterns (bedtime, sleep duration) and the presence of these behaviors were analyzed. Individual \/ environmental factors that affected problematic behaviors were statistically identified using a tree\u2010form model.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Late bedtime and short sleep duration showed significant adverse effects on children's problematic behaviors \u2013 odds ratio (OR): 1.07, 95% confidence interval (CI): 1.03\u20131.11 and OR: 0.92, 95% CI: 0.87\u20130.97, respectively. Long television watching time, abnormality at birth, and lack of father's support also showed significant adverse effects on problematic behaviors (OR: 2.34, 95% CI: 1.87\u20132.94), and significantly affected late bedtime and short sleep duration.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>There were significant associations among sleep patterns, individual \/ environmental factors, and problematic behaviors in 5\u2010year\u2010old children. Improving children's sleep patterns, reducing the duration of television watching, and improving support from fathers may reduce problematic behaviors.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/ped.14267","type":"journal-article","created":{"date-parts":[[2020,4,26]],"date-time":"2020-04-26T09:20:00Z","timestamp":1587892800000},"page":"1189-1196","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Association between children's sleep patterns and problematic behaviors at age 5"],"prefix":"10.1111","volume":"62","author":[{"given":"Masao","family":"Suda","sequence":"first","affiliation":[{"name":"Department of Pediatrics and Child Health Kurume University School of Medicine Kurume Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7156-6050","authenticated-orcid":false,"given":"Shinichiro","family":"Nagamitsu","sequence":"additional","affiliation":[{"name":"Department of Pediatrics and Child Health Kurume University School of Medicine Kurume Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hitoshi","family":"Obara","sequence":"additional","affiliation":[{"name":"Biostatistics Center Kurume University Kurume Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Go","family":"Shimomura","sequence":"additional","affiliation":[{"name":"Department of Pediatrics and Child Health Kurume University School of Medicine Kurume Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ryuta","family":"Ishii","sequence":"additional","affiliation":[{"name":"Department of Pediatrics and Child Health Kurume University School of Medicine Kurume Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kotaro","family":"Yuge","sequence":"additional","affiliation":[{"name":"Department of Pediatrics and Child Health Kurume University School of Medicine Kurume Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kunihisa","family":"Shimomura","sequence":"additional","affiliation":[{"name":"Research Centre for Children and Research Centre for Rett Syndrome St Mary's Hospital Kurume Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michiko","family":"Kurokawa","sequence":"additional","affiliation":[{"name":"Research Centre for Children and Research Centre for Rett Syndrome St Mary's Hospital Kurume Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Toyojiro","family":"Matsuishi","sequence":"additional","affiliation":[{"name":"Department of Pediatrics and Child Health Kurume University School of Medicine Kurume Japan"},{"name":"Pediatric Association of Fukuoka District System Fukuoka Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zentaro","family":"Yamagata","sequence":"additional","affiliation":[{"name":"Department of Health Sciences School of Medicine University of Yamanashi Yamanashi Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tatsuyuki","family":"Kakuma","sequence":"additional","affiliation":[{"name":"Biostatistics Center Kurume University Kurume Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yushiro","family":"Yamashita","sequence":"additional","affiliation":[{"name":"Department of Pediatrics and Child Health Kurume University School of Medicine Kurume Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2020,10,21]]},"reference":[{"key":"e_1_2_8_2_1","first-page":"11","article-title":"Sleep in childhood","volume":"61","author":"Kamei Y","year":"2012","journal-title":"J. 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