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KMID : 1143320230120010065
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Therapeutic Science for Neurorehabilitation
2023 Volume.12 No. 1 p.65 ~ p.78
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Mediating Effect of Cognitive Function on the Relationship Between Vision, Hearing, and Activities of Daily Living
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Nam Sang-Hun
Hong Ick-Pyo
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Abstract
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Objective : The typical decline in function due to aging includes limitations in vision, hearing, cognitive function, and activities of daily living. Therefore, this study evaluated the mediating effect of cognitive function on the relationship between vision and hearing and activities of daily living.
Methods : The participants in this study were 36,767 persons from the long-term care database on older adults provided by the National Health Insurance Sharing Service. The extracted variables were: (i) independent variables: visual and hearing; (ii) dependent variables: basic and instrumental daily living activities; and (iii) mediator variables: cognitive function. Regression analysis was performed evaluate the mediating effects of the extracted variables.
Results : Cognitive function showed a mediating effect of 30% on the relationship between vision and basic daily life activities and 42% in the relationship with instrumental daily life activities.
The mediating effect was 50% in the relationship between hearing and basic activities of daily living, and 53% in the relationship with instrumental activities of daily living.
Conclusion : Prevention programs for functional decline due to aging are in progress in Korea. Based on the results of this study, establishing a prevention program would help promote successful aging.
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KEYWORD
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Activities of daily living, Cognitive function, Hearing, Vision
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