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Is Social Network Diversity Associated with Tooth Loss among Older Japanese Adults?

Author

Listed:
  • Jun Aida
  • Katsunori Kondo
  • Tatsuo Yamamoto
  • Masashige Saito
  • Kanade Ito
  • Kayo Suzuki
  • Ken Osaka
  • Ichiro Kawachi

Abstract

Background: We sought to examine social network diversity as a potential determinant of oral health, considering size and contact frequency of the social network and oral health behaviors. Methods: Our cross-sectional study was based on data from the 2010 Japan Gerontological Evaluation Study. Data from 19,756 community-dwelling individuals aged 65 years or older were analyzed. We inquired about diversity of friendships based on seven types of friends. Ordered logistic regression models were developed to determine the association between the diversity of social networks and number of teeth (categorized as ≥20, 10–19, 1–9, and 0). Results: Of the participants, 54.1% were women (mean age, 73.9 years; standard deviation, 6.2). The proportion of respondents with ≥20 teeth was 34.1%. After adjusting for age, sex, socioeconomic status (income, education, and occupation), marital status, health status (diabetes and mental health), and size and contact frequency of the social network, an increase in the diversity of social networks was significantly associated with having more teeth (odds ratio = 1.08; 95% confidence interval, 1.04–1.11). Even adjusted for oral health behaviors (smoking, curative/preventive dental care access, use of dental floss/fluoride toothpaste), significant association was still observed (odds ratio = 1.05 (95% confidence interval, 1.02–1.08)). Conclusion: Social connectedness among people from diverse backgrounds may increase information channels and promote the diffusion of oral health behaviors and prevent tooth loss.

Suggested Citation

  • Jun Aida & Katsunori Kondo & Tatsuo Yamamoto & Masashige Saito & Kanade Ito & Kayo Suzuki & Ken Osaka & Ichiro Kawachi, 2016. "Is Social Network Diversity Associated with Tooth Loss among Older Japanese Adults?," PLOS ONE, Public Library of Science, vol. 11(7), pages 1-12, July.
    • Handle: RePEc:plo:pone00:0159970
    DOI: 10.1371/journal.pone.0159970
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    References listed on IDEAS

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    1. Legh-Jones, Hannah & Moore, Spencer, 2012. "Network social capital, social participation, and physical inactivity in an urban adult population," Social Science & Medicine, Elsevier, vol. 74(9), pages 1362-1367.
    2. Ichida, Yukinobu & Hirai, Hiroshi & Kondo, Katsunori & Kawachi, Ichiro & Takeda, Tokunori & Endo, Hideki, 2013. "Does social participation improve self-rated health in the older population? A quasi-experimental intervention study," Social Science & Medicine, Elsevier, vol. 94(C), pages 83-90.
    3. Aida, Jun & Hanibuchi, Tomoya & Nakade, Miyo & Hirai, Hiroshi & Osaka, Ken & Kondo, Katsunori, 2009. "The different effects of vertical social capital and horizontal social capital on dental status: A multilevel analysis," Social Science & Medicine, Elsevier, vol. 69(4), pages 512-518, August.
    4. Moore, S. & Teixeira, A. & Stewart, S., 2014. "Effect of network social capital on the chances of smoking relapse: A two-year follow-up study of urban-dwelling adults," American Journal of Public Health, American Public Health Association, vol. 104(12), pages 72-76.
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    1. Manami Hoshi & Jun Aida & Taro Kusama & Takafumi Yamamoto & Sakura Kiuchi & Tatsuo Yamamoto & Toshiyuki Ojima & Katsunori Kondo & Ken Osaka, 2020. "Is the Association between Green Tea Consumption and the Number of Remaining Teeth Affected by Social Networks?: A Cross-Sectional Study from the Japan Gerontological Evaluation Study Project," IJERPH, MDPI, vol. 17(6), pages 1-10, March.
    2. Stefano Cianetti & Chiara Valenti & Massimiliano Orso & Giuseppe Lomurno & Michele Nardone & Anna Palma Lomurno & Stefano Pagano & Guido Lombardo, 2021. "Systematic Review of the Literature on Dental Caries and Periodontal Disease in Socio-Economically Disadvantaged Individuals," IJERPH, MDPI, vol. 18(23), pages 1-22, November.

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