Journal
AGING & MENTAL HEALTH
Volume 25, Issue 3, Pages 521-527Publisher
ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD
DOI: 10.1080/13607863.2019.1699015
Keywords
Cognitive deficit; physical frailty; health services use; older adults
Categories
Funding
- National Institute on Aging [R01AG042318, R01MD006173, R01CA163830, R34MH100443, R34MH100393, RC4AG039085]
- Paul B. Beeson Award in Aging
- Starr Foundation
- American Federation for Aging Research
- John A. Hartford Foundation
- Atlantic Philanthropies
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The study found that the presence of both cognitive deficit and physical frailty significantly increased the risk of hospitalization and ED visits compared to having either one alone. Cognitive deficit alone was not significantly associated with either outcome. While physical frailty alone did increase the risk of hospitalizations and ED visits, the increase was relatively smaller compared to having both cognitive deficit and physical frailty together.
Objectives: To examine the added effect of having both cognitive deficit and physical frailty, compared to having either one only, on hospitalization and emergency department (ED) visits. Methods: Data from a population-based study of 3,157 community-dwelling older (>= 60 years) Chinese adults in the U.S. were used. Cognitive deficit was measured by the Mini-Mental State Examination (i.e. education-adjusted score: 16 [illiterate], 19 [primary school], and 23 [>= middle school]). Physical frailty was identified using the Short Performance Physical Battery (0-6 out of 15). The numbers of hospitalizations and ED visits in the previous two years were self-reported. Results: In this sample, 12.63% had cognitive deficit alone, 5.95% had physical frailty alone, and 4.26% had both. Compared with participants having neither cognitive deficit nor physical frailty, those having physical frailty alone were 1.5 times as likely to have hospitalizations (Rate Ratio [RR] = 1.52 [1.07, 2.16], p = 0.02) and ED visits (RR = 1.52 [1.07, 2.15], p = 0.02). Having cognitive deficit alone was not significantly related to either outcome. However, having cognitive deficit with existing physical frailty increased the likelihood of both hospitalization (RR = 2.00 [1.36, 2.96], p < 0.001) and ED visits (RR = 2.04 [1.37, 3.03], p < 0.001) to a greater extent than having physical frailty alone. Conclusion: Having cognitive deficit alone was not significantly related to the likelihood of hospitalizations or ED visits, however having cognitive deficit with existing physical frailty increased the likelihood of both outcomes to a greater degree than having physical frailty alone. This suggests cognitive deficit and physical frailty have synergistic effects on hospitalizations and ED visits.
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