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Short or Irregular Sleep Duration in Early Childhood Increases Risk of Injury for Primary School-Age Children: A Nationwide Longitudinal Birth Cohort in Japan

The aim of this study was to investigate the longitudinal relationship between shorter or irregular sleep duration (SD) in early childhood and increased risk of injury at primary school age using data from a nationwide survey in Japan. We categorized SD into seven groups: 6 h, 7 h, 8 h, 9 hrs, 10 or...

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Autores principales: Obara, Takafumi, Naito, Hiromichi, Tsukahara, Kohei, Matsumoto, Naomi, Yamamoto, Hirotsugu, Yorifuji, Takashi, Nakao, Atsunori
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8469796/
https://www.ncbi.nlm.nih.gov/pubmed/34574435
http://dx.doi.org/10.3390/ijerph18189512
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author Obara, Takafumi
Naito, Hiromichi
Tsukahara, Kohei
Matsumoto, Naomi
Yamamoto, Hirotsugu
Yorifuji, Takashi
Nakao, Atsunori
author_facet Obara, Takafumi
Naito, Hiromichi
Tsukahara, Kohei
Matsumoto, Naomi
Yamamoto, Hirotsugu
Yorifuji, Takashi
Nakao, Atsunori
author_sort Obara, Takafumi
collection PubMed
description The aim of this study was to investigate the longitudinal relationship between shorter or irregular sleep duration (SD) in early childhood and increased risk of injury at primary school age using data from a nationwide survey in Japan. We categorized SD into seven groups: 6 h, 7 h, 8 h, 9 hrs, 10 or 11 h, >12 h, and irregular, based on questionnaire responses collected at 5.5 years old. The relationship between SD and incidence of injury at 5.5–nine years of age is shown. In addition, we completed a stratified analysis on children with or without problematic behavior at eight years old. We included 32,044 children, of which 6369 were classified as having an injury and 25,675 as not having an injury. Logistic regression model showed that shorter or irregular SD categories were associated with an increased adjusted odds ratio (aOR) for injuries (6 h: aOR 1.40, 95% confidence interval (CI) 1.19–1.66, 7 h: aOR 1.10, 95% CI, 0.98–1.23, 8 h: aOR 1.13, 95% CI, 1.02–1.26, irregular: aOR 1.26, 95% CI 1.10–1.43). The same tendency was observed with shorter or irregular SD in subgroups with or without behavioral problems. Shorter or irregular sleep habits during early childhood are associated with injury during primary school age.
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spelling pubmed-84697962021-09-27 Short or Irregular Sleep Duration in Early Childhood Increases Risk of Injury for Primary School-Age Children: A Nationwide Longitudinal Birth Cohort in Japan Obara, Takafumi Naito, Hiromichi Tsukahara, Kohei Matsumoto, Naomi Yamamoto, Hirotsugu Yorifuji, Takashi Nakao, Atsunori Int J Environ Res Public Health Article The aim of this study was to investigate the longitudinal relationship between shorter or irregular sleep duration (SD) in early childhood and increased risk of injury at primary school age using data from a nationwide survey in Japan. We categorized SD into seven groups: 6 h, 7 h, 8 h, 9 hrs, 10 or 11 h, >12 h, and irregular, based on questionnaire responses collected at 5.5 years old. The relationship between SD and incidence of injury at 5.5–nine years of age is shown. In addition, we completed a stratified analysis on children with or without problematic behavior at eight years old. We included 32,044 children, of which 6369 were classified as having an injury and 25,675 as not having an injury. Logistic regression model showed that shorter or irregular SD categories were associated with an increased adjusted odds ratio (aOR) for injuries (6 h: aOR 1.40, 95% confidence interval (CI) 1.19–1.66, 7 h: aOR 1.10, 95% CI, 0.98–1.23, 8 h: aOR 1.13, 95% CI, 1.02–1.26, irregular: aOR 1.26, 95% CI 1.10–1.43). The same tendency was observed with shorter or irregular SD in subgroups with or without behavioral problems. Shorter or irregular sleep habits during early childhood are associated with injury during primary school age. MDPI 2021-09-09 /pmc/articles/PMC8469796/ /pubmed/34574435 http://dx.doi.org/10.3390/ijerph18189512 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Obara, Takafumi
Naito, Hiromichi
Tsukahara, Kohei
Matsumoto, Naomi
Yamamoto, Hirotsugu
Yorifuji, Takashi
Nakao, Atsunori
Short or Irregular Sleep Duration in Early Childhood Increases Risk of Injury for Primary School-Age Children: A Nationwide Longitudinal Birth Cohort in Japan
title Short or Irregular Sleep Duration in Early Childhood Increases Risk of Injury for Primary School-Age Children: A Nationwide Longitudinal Birth Cohort in Japan
title_full Short or Irregular Sleep Duration in Early Childhood Increases Risk of Injury for Primary School-Age Children: A Nationwide Longitudinal Birth Cohort in Japan
title_fullStr Short or Irregular Sleep Duration in Early Childhood Increases Risk of Injury for Primary School-Age Children: A Nationwide Longitudinal Birth Cohort in Japan
title_full_unstemmed Short or Irregular Sleep Duration in Early Childhood Increases Risk of Injury for Primary School-Age Children: A Nationwide Longitudinal Birth Cohort in Japan
title_short Short or Irregular Sleep Duration in Early Childhood Increases Risk of Injury for Primary School-Age Children: A Nationwide Longitudinal Birth Cohort in Japan
title_sort short or irregular sleep duration in early childhood increases risk of injury for primary school-age children: a nationwide longitudinal birth cohort in japan
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8469796/
https://www.ncbi.nlm.nih.gov/pubmed/34574435
http://dx.doi.org/10.3390/ijerph18189512
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