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Islam, Md Monirul Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences ORCID publons
Ekuni, Daisuke Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences ORCID Kaken ID publons researchmap
Toyama, Naoki Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences ORCID
Taniguchi-Tabata, Ayano Department of Preventive Dentistry, Okayama University Hospital ORCID
Kataoka, Kota Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences Kaken ID
Uchida-Fukuhara, Yoko Department of Preventive Dentistry, Okayama University Hospital
Fukuhara, Daiki Department of Preventive Dentistry, Okayama University Hospital Kaken ID
Saho, Hikari Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences ORCID Kaken ID researchmap
Sawada, Nanami Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
Nakashima, Yukiho Department of Preventive Dentistry, Okayama University Hospital
Iwasaki, Yoshiaki Health Service Center, Okayama University ORCID Kaken ID publons researchmap
Morita, Manabu Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences ORCID Kaken ID publons researchmap
Abstract
The purpose of this cross-sectional study was to investigate the association between sleep quality and duration, and periodontal disease among a group of young Japanese university students. First-year students (n = 1934) at Okayama University who voluntarily underwent oral health examinations were included in the analysis. Sleep quality and duration were assessed by the Japanese version of the Pittsburgh Sleep Quality Index. Dentists examined Oral Hygiene Index-Simplified (OHI-S), probing pocket depth (PPD), and percentage of sites with bleeding on probing (BOP). Periodontal disease was defined as presence of PPD >= 4 mm and BOP >= 30%. Overall, 283 (14.6%) students had periodontal disease. Poor sleep quality was observed among 372 (19.2%) students. Mean (+/- standard deviation) sleep duration was 7.1 +/- 1.1 (hours/night). In the logistic regression analysis, periodontal disease was significantly associated with OHI-S (odds ratio [OR]: 2.30, 95% confident interval [CI]: 1.83-2.90; p < 0.001), but not sleep quality (OR: 1.09, 95% CI: 0.79-1.53; p = 0.577) or sleep duration (OR: 0.98, CI: 0.87-1.10; p = 0.717). In conclusion, sleep quality and duration were not associated with periodontal disease among this group of young Japanese university students.
Keywords
sleep quality
sleep duration
periodontal disease
university students
Published Date
2020-04-27
Publication Title
International Journal of Environmental Research and Public Health
Volume
volume17
Issue
issue9
Publisher
MDPI
ISSN
1660-4601
Content Type
Journal Article
language
英語
OAI-PMH Set
岡山大学
Copyright Holders
© 2020 by the authors.
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Web of Science KeyUT
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isVersionOf https://doi.org/10.3390/ijerph17093034
License
http://creativecommons.org/licenses/by/4.0/