Abstract
Objective
To examine the association between the severity of oral frailty (OF), which is one of the comprehensive oral functions evaluated, and dietary variety in community-dwelling older persons.
Design
Cross-sectional study.
Setting
Community-based.
Participants A total of 769 community-dwelling older persons aged 65 and over
Interventions
We examined basic demographic information, functional status, cognitive status, depressive symptoms, medical history, and oral functions of the participants.
Measurements
OF was defined by 1–2 and 3 or more of 6 items of oral function evaluation in the pre-oral frailty and oral frailty groups, respectively. Dietary variety was assessed using the dietary variety score (DVS). The participants were categorized into 3 groups for evaluation: those with a low score (0–2), medium score (3–5), and high score (≥6). Ordinal logistic regression analysis was performed to examine the association between OF and DVS.
Results
The rate of OF in the participants was 21.6%, and its severity was significantly associated with DVS after adjusting for potential confounders (Pre-OF; adjusted odds ratio [OR] = 1.687, 95% confidence interval [CI] = 1.219–2.335, OF; adjusted OR = 2.857, 95% CI = 1.489–5.484).
Conclusion
The severity of OF was significantly associated with DVS in community-dwelling older persons. This suggests that DVS may be useful in understanding the effects of OF on the nutritional status. Further longitudinal studies are needed to elucidate the association between OF and DVS.
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Acknowledgments
We would like to thank the staff of the department of Research on Social and Human Sciences, Tokyo Metropolitan Institute of Gerontology, for their tremendous support. This study was supported by grants from the Tokyo Metropolitan Government, Tokyo Metropolitan Institute of Gerontology, and AMED under Grant Number JP18dk0110019h0003, research funding for Longevity Sciences (29–42) from the National Center for Geriatrics and Gerontology (NCGG), and JSPS KAKENHI (grant number: JP16K11908, JP17K13239, JP20K23207).
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Conflict of Interest: None of the authors have any conflicts of interest to declare.
Ethical standards: This study was approved by the Ethical Committee of the Tokyo Metropolitan Institute of Gerontology.
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Hoshino, D., Hirano, H., Edahiro, A. et al. Association between Oral Frailty and Dietary Variety among Community-Dwelling Older Persons: A Cross-Sectional Study. J Nutr Health Aging 25, 361–368 (2021). https://doi.org/10.1007/s12603-020-1538-6
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DOI: https://doi.org/10.1007/s12603-020-1538-6