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KMID : 1130220230270010050
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Annals of Geriatric Medicine and Research
2023 Volume.27 No. 1 p.50 ~ p.57
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Effects of a Dementia Special Care Unit on the Changes in Physical Function, Cognitive Function, and Problematic Behaviors among Nursing Home Residents
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Shin Il-Ho
Song Hyun-Jong
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Abstract
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Background: This study compared changes in physical function, cognitive function, and problematic behaviors among nursing home residents with dementia between the dementia specialized care and general units.
Methods: To assess the effects of a dementia specialized care unit (D-SCU), this study applied the difference-in-differences method. While the D-SCU was introduced in July 2016, the service was provided in January 2017. We defined the pre-intervention period as July 2015 to December 2016 and the post-intervention period as January 2017 to September 2018. We matched long-term care (LTC) insurance beneficiaries using the propensity score matching method to minimize selection bias. After this matching, two new groups were obtained, each with 284 beneficiaries. To characterize the actual effects of the D-SCU on physical function, cognitive function, and problematic behaviors among dementia beneficiaries, we conducted a multiple regression analysis that controlled for demographics, LTC need, and LTC benefit utilization.
Results: The physical function score significantly increased according to the time effect, and the interaction term between time and the use of D-SCU was significant. Therefore, the activities of daily living (ADL) score of the control group increased by 5.01 points more than that in the group of beneficiaries using the D-SCU (p<0.001). However, the interaction term had no significant effect on cognitive function or problematic behavior.
Conclusion: These results revealed the partial effect of the D-SCU on LTC insurance. Further research is required that considers the variables of service providers.
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KEYWORD
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Dementia, Activities of daily living, Nursing homes, Propensity score
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