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Title: Association between objectively measured chewing ability and frailty: A cross-sectional study in central Thailand
Authors: Masanori Iwasaki
Yumi Kimura
Kwanchit Sasiwongsaroj
Matana Kettratad-Pruksapong
Sutee Suksudaj
Yasuko Ishimoto
Nai Yuan Chang
Ryota Sakamoto
Kozo Matsubayashi
Yupin Songpaisan
Hideo Miyazaki
Nara Women's University
Niigata University School of Medicine
Suranaree University of Technology
Osaka University
Mie University
Mahidol University
Thammasat University
Kyoto University
Kyushu Dental University
Keywords: Medicine;Nursing;Social Sciences
Issue Date: 1-Jun-2018
Citation: Geriatrics and Gerontology International. Vol.18, No.6 (2018), 860-866
Abstract: © 2018 Japan Geriatrics Society Aim: Limited data are available on the association between oral function and frailty, especially in developing countries. Additionally, the association between objectively assessed chewing function and frailty has not been well studied. The present cross-sectional study tested the hypothesis that objectively measured poor chewing ability is associated with frailty in community-dwelling older Thai adults. Methods: The study population comprised 141 people in Nakhon Pathom, Thailand (median age 72 years). Demographic and clinical data were collected at a community center. Participants were asked to chew a gum designed for assessing chewing ability. The differences in gum color before and after chewing (ΔE*ab) were calculated and used as the exposure variable, where a lower ΔE*ab indicates lower chewing ability. Frailty phenotypes were defined by weakness, slowness, weight loss, low physical activity level and exhaustion components, and used as the outcome variable. Participants with three or more components were considered frail, and those with one or two components were considered pre-frail. Ordinal logistic regression analyses were carried out to assess the association of objective chewing ability with frailty. Results: Of the 141 participants, 32 (22.7%) were categorized as frail and 78 (55.3%) as pre-frail. In the analysis adjusted for demographic and health characteristics, the adjusted odds ratio of the presence and severity of frailty was significantly higher in participants with lower ΔE*ab (adjusted odds ratio for one decrease in ΔE*ab 1.05, 95% confidence interval 1.01–1.10, P = 0.03). Conclusions: Objectively measured chewing ability was significantly associated with frailty in community-dwelling older Thai adults. Geriatr Gerontol Int 2018; 18: 860–866.
ISSN: 14470594
Appears in Collections:Scopus 2018

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