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KMID : 1020220190190050715
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Journal of Korean Society of Dental Hygiene
2019 Volume.19 No. 5 p.715 ~ p.729
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Relationship between perceived health status and health-related quality of life in the elderly: A focus on moderating effects of oral health
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Lee Sue-Hyang
Shin Bo-Mi
Shin Sun-Jung
Bae Soo-Myoung
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Abstract
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Objectives: This study aimed to validate the moderating effect of oral health on the relationship between perceived health status and health-related quality of life in the elderly and to use this information as primary data to suggest oral health policies for the aged society.
Methods: This study included 3,707 subjects aged over 65 years who answered all the variables used in the study model and completed the health questionnaire and screening survey based on the sixth Korea National Health and Nutrition Examination Survey. Baron & Kenny’s linear regression analysis using SPSS 22.0 and SPSS Macro Version 3.1 programs was performed to confirm the moderating effect of the number of remaining natural teeth, chewing difficulty, and cardiovascular disease on the relationship between perceived health status and health-related quality of life in the elderly.
Results: The number of remaining natural teeth, chewing difficulties, and cardiovascular diseases affected the perceived health status of the elderly. As the number of remaining natural teeth increased, the effect of perceived health status on the quality of life in the elderly was buffered. The effect of perceived health status on the quality of life increased with chewing difficulties and the number of cardiovascular diseases. In particular, it was confirmed that chewing difficulties, rather than the number of cardiovascular diseases. had a greater effect on the quality of life in the elderly.
Conclusions: Oral health policies and projects are required to ensure oral rehabilitation with dentures and implants and restore chewing function to improve the quality of life of the elderly in Korea.
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KEYWORD
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Elderly, Health, Moderation effect, Oral health, Quality of life
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