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Relationship between chewing ability and cognitive impairment in the rural elderly

Authors
 Eun-Kyong Kim  ;  Sung Kook Lee  ;  Youn-Hee Choi  ;  Makiko Tanaka  ;  Kimiko Hirotsu  ;  Hyeon Chang Kim  ;  Hee-Kyung Lee  ;  Yun-Sook Jung  ;  Atsuo Amano 
Citation
 Archives of Gerontology and Geriatics, Vol.70 : 209-213, 2017 
Journal Title
 Archives of Gerontology and Geriatics 
ISSN
 0167-4943 
Issue Date
2017
MeSH
Aged ; Aged, 80 and over ; Cognitive Dysfunction/diagnosis ; Cognitive Dysfunction/physiopathology* ; Cross-Sectional Studies ; Disability Evaluation ; Female ; Humans ; Male ; Mastication/physiology* ; Neuropsychological Tests ; Republic of Korea ; Rural Population
Keywords
Chewing ability ; Cognitive impairment ; Elderly
Abstract
OBJECTIVE: Relationship between masticatory function and cognitive impairment had been suggested but still understudied. We investigated the association between chewing ability and cognitive impairment among the elderly living in a rural region. METHODS: A total of 295 elderly individuals aged ≥70 years in a rural city of Korea participated in a cross-sectional study. Trained nurses conducted interviews and assessed chewing ability using gum that changed color based on chewing performance. Cognitive impairment was assessed using the Mini-Mental State Examination for Dementia Screening (MMSE-DS) of Korean vesrsion. Socio-demographic characteristics, activities of daily living (ADL), Mini-Nutritional Assessment (MNA) were also assessed using questionnaires as potential confounders. RESULTS: The mean age of the participants was 81.4 (ranged 70-102) years and 67.8% of them were female. Participants with low chewing ability were significantly older, dependent, and had lower MNA and MMSE-DS scores. The elderly with middle or low chewing ability had significantly higher risk for having cognitive impairment than those with higher chewing ability. CONCLUSION: Our findings suggest that poor chewing ability is associated with cognitive impairment or dementia in the elderly living in rural area.
Full Text
http://www.sciencedirect.com/science/article/pii/S0167494317301085
DOI
10.1016/j.archger.2017.02.006
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Preventive Medicine and Public Health (예방의학교실) > 1. Journal Papers
Yonsei Authors
김현창(Kim, Hyeon Chang) ORCID logo https://orcid.org/0000-0001-7867-1240
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/154279
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