Journal of Korean society of Dental Hygiene (한국치위생학회지)

Korean Society of Dental Hygiene (한국치위생학회)
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The relationship between sleep duration and the number of remaining teeth among the elderly using data from the Korean National Health and Nutrition Examination Survey (KNHANES)

노인의 수면시간과 현존치아 수와의 관련성 : 제6기 국민건강영양조사 자료를 이용하여

  • Kim, Nam-Suk (Department of Biomedical Health Science, Graduate School, Dongeui University) ;
  • Yoon, Jung-Won (Department of Biomedical Health Science, Graduate School, Dongeui University) ;
  • Lee, Jung-Hwa (Department of Dental Hygiene, Dongeui University)
  • 김남숙 (동의대학교 일반대학원 보건의과학과) ;
  • 윤정원 (동의대학교 일반대학원 보건의과학과) ;
  • 이정화 (동의대학교 치위생학과)
  • Received : 2019.08.30
  • Accepted : 2019.09.30
  • Published : 2019.10.30
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Abstract

Objectives: To analyze the association between sleep duration and the number of remaining teeth in people aged 65 years or older in order to provide basic data for improving sleep quality and developing oral health programs for teeth maintenance. Methods: The raw data for the analysis were obtained from the sixth Korean National Health and Nutrition Examination Survey (KNHANES) dataset, conducted between 2013 and 2015. The 4,340 subjects included in the study underwent oral examinations and then proceeded to answer related questions. The collected data were analyzed using SPSS (ver 23.0) program via composite samples, with the calculations for mean, standard deviation, chi-square test, and logistic return analysis being performed. Results: An analysis of the effect of sleep duration on the number of remaining teeth among people aged >65 years old showed that if the confounding variables were not corrected for, the risk of having less than 9 hours of sleep was 1.40 times higher (95% CI: 1.06-1.86). However, this was not statistically significant in models that corrected for gender, age, and other confounding variables (p>0.05). Conclusions: The association between sleep duration among the elderly with their number of remaining teeth was confirmed. Therefore, measures to improve sleep quality and oral care practices to maintain the remaining teeth in people over 65 years old should be developed.

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References

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