KMID : 0379220170370040909
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Journal of Korea Gerontological Society 2017 Volume.37 No. 4 p.909 ~ p.924
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The Impact of Chewing Ability on Cognitive Function of Older People in Korea: Mediation Effect of Physical Function and Depression
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Seo Han-Na
Kim Jeong-Sun
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Abstract
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The purpose of this study was to identify the impact of chewing ability on cognitive function of older people in Korea and the mediation effect of physical function and depression using the nationwide data from ¡°Survey of the Living Conditions and Welfare Needs of Korean Older Persons in 2014¡±, in Korea. This study was conducted on a total of 10,451 respondents in the ¡°Survey of the Living Conditions and Welfare Needs of Korean Older Persons in 2014¡± and the data collection period was from June 11, to September 4, 2014. Chewing ability was used in the scale on level of daily life inconvenience in chewing ability (meat or hardness). Cognitive function was measured using MMSE-DS, physical function using K-IADL, and depression using SGDS-K. The data were analyzed using the SPSS 24.0 program and Process Macro. Total effects of chewing ability on cognitive function were not significant(p>.05). Direct effects of chewing ability on cognitive function were not significant(p>.05). There were the dual mediation effect(p<.05) of physical function and depression, a complete mediating effect by physical function(p<.05) or depression(p<.05) in the impact of chewing ability on cognitive function of older people in Korea. These results indicate that physical function and depression effect directly and indirectly in the impact of chewing ability on cognitive function of older people. In conclusion, it is suggested that to prevent the decline of cognitive function in older people, it is necessary to consider not only nursing strategies for strengthening chewing ability and physical function, but also nursing interventions for relieving or preventing depression in older people.
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KEYWORD
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Chewing Ability, Cognitive Function, Physical Function, Depression
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