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Trends in Self-Rated Oral Health and Its Associations with Oral Health Status and Oral Health Behaviors in Japanese University Students: A Cross-Sectional Study from 2011 to 2019

Author

Listed:
  • Momoko Nakahara

    (Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan)

  • Naoki Toyama

    (Department of Preventive Dentistry, Academic Field of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 700-8558, Japan)

  • Daisuke Ekuni

    (Department of Preventive Dentistry, Academic Field of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 700-8558, Japan)

  • Noriko Takeuchi

    (Department of Preventive Dentistry, Okayama University Hospital, Okayama 700-8558, Japan)

  • Takayuki Maruyama

    (Department of Preventive Dentistry, Academic Field of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 700-8558, Japan)

  • Aya Yokoi

    (Department of Preventive Dentistry, Academic Field of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 700-8558, Japan)

  • Daiki Fukuhara

    (Department of Preventive Dentistry, Okayama University Hospital, Okayama 700-8558, Japan)

  • Nanami Sawada

    (Department of Preventive Dentistry, Okayama University Hospital, Okayama 700-8558, Japan)

  • Yukiho Nakashima

    (Department of Preventive Dentistry, Okayama University Hospital, Okayama 700-8558, Japan)

  • Manabu Morita

    (Department of Preventive Dentistry, Academic Field of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 700-8558, Japan)

Abstract

Self-rated oral health (SROH) is a valid, comprehensive indicator of oral health status. The purpose of this cross-sectional study was to analyze how oral health behaviors and clinical oral status were associated with SROH and how they had changed over the course of nine years in Japanese university students. Data were obtained from 17,996 students who underwent oral examinations and completed self-questionnaires from 2011 to 2019. Oral status was assessed using the decayed and filled teeth scores, bleeding on probing (BOP), probing pocket depth, the Oral Hygiene Index-Simplified (OHI-S), oral health behaviors, and related factors. SROH improved from 2011 to 2019. The logistic regression model showed that university students who were female and had a high daily frequency of tooth brushing, no BOP, no decayed teeth, no filled teeth, and a low OHI-S score and were significantly more likely to report very good, good, or fair SROH. An interaction effect was observed between survey year and regular dental check-ups (year × regular dental check-ups). The improvement trend in SROH might be associated with changes in oral health behaviors and oral health status.

Suggested Citation

  • Momoko Nakahara & Naoki Toyama & Daisuke Ekuni & Noriko Takeuchi & Takayuki Maruyama & Aya Yokoi & Daiki Fukuhara & Nanami Sawada & Yukiho Nakashima & Manabu Morita, 2022. "Trends in Self-Rated Oral Health and Its Associations with Oral Health Status and Oral Health Behaviors in Japanese University Students: A Cross-Sectional Study from 2011 to 2019," IJERPH, MDPI, vol. 19(20), pages 1-13, October.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:20:p:13580-:d:947731
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    References listed on IDEAS

    as
    1. Jeong-Ah Choi & So-Jung Mun & Won-Gyun Chung & Sun-Young Han, 2022. "Differences in Determinants Influencing Self-Rated Oral Health in Korean and American Adults," IJERPH, MDPI, vol. 19(6), pages 1-10, March.
    2. Momoko Nakahara & Daisuke Ekuni & Kota Kataoka & Aya Yokoi & Yoko Uchida-Fukuhara & Daiki Fukuhara & Terumasa Kobayashi & Naoki Toyama & Hikari Saho & Md Monirul Islam & Yoshiaki Iwasaki & Manabu Mori, 2021. "Living with Family Is Directly Associated with Regular Dental Checkup and Indirectly Associated with Gingival Status among Japanese University Students: A 3-Year Cohort Study," IJERPH, MDPI, vol. 18(1), pages 1-10, January.
    3. Bukola G. Olutola & Olalekan A. Ayo-Yusuf, 2012. "Socio-Environmental Factors Associated with Self-Rated Oral Health in South Africa: A Multilevel Effects Model," IJERPH, MDPI, vol. 9(10), pages 1-19, October.
    4. Meghashyam Bhat & Sreevidya Bhat & Kaye Frances Roberts-Thomson & Loc Giang Do, 2021. "Self-Rated Oral Health and Associated Factors among an Adult Population in Rural India—An Epidemiological Study," IJERPH, MDPI, vol. 18(12), pages 1-8, June.
    Full references (including those not matched with items on IDEAS)

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