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Title: Anhedonia and anergia predict mortality in older Australians living in residential aged care.
Austin Authors: Greenfield, L;Mathews, S ;Toukhsati, Samia R 
Affiliation: The Cairnmillar Institute, VIC, Australia
Faculty of Medicine, Dentistry and Health Sciences, University of Melbourne, Parkville, VIC, Australia
School of Science, Psychology and Sport, Federation University Australia, Berwick, VIC, Australia
Issue Date: 18-Jan-2021
Date: 2021
Publication information: Aging & Mental Health 2021; online first: 18 January
Abstract: Depression is common in older adults and is linked to morbidity and mortality. The aim of this study was to investigate whether specific symptoms of depression (dysphoria, anhedonia and anergia) predicted mortality in older Australian Aged Care residents. Eighty older adults (M = 83.16 ± 7.14) without cognitive impairment residing in 14 Residential Aged Care facilities located in Melbourne, Australia, completed the 15-item Geriatric Depression Scale-Short Form (GDS-15) and the Standardized Mini Mental State Examination. Residential Aged Care facilities provided the primary end-point of all-cause mortality at follow-up (M = 5.4 years ± 0.1). Univariate Kaplan-Meier survival curves and Cox Proportional Hazards regression analyses were used to evaluate whether symptoms of depression predicted all-cause mortality, with known prognostic factors controlled. The results indicated that anhedonia (Hazard Ratio = 2.931 [95% CI 1.278-6.722], p = .011) and anergia (Hazard Ratio = 2.783 [95% CI 1.065-7.276], p = .037) were associated with almost a threefold increased risk of mortality in older adults living in RAC in adjusted analyses. Dysphoria did not predict mortality. These findings advance understanding of the mortality risks of anhedonia and anergia in an understudied population. Symptoms of anhedonia and anergia should be targeted for screening in older adults living in Aged Care to increase the detection and potential for referral to treatment for depressive presentation.
DOI: 10.1080/13607863.2021.1872491
ORCID: 0000-0003-0307-5342
Journal: Aging & Mental Health
PubMed URL: 33459050
Type: Journal Article
Subjects: Depression
older adults
residential aged care
Appears in Collections:Journal articles

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