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Prevalence of depressive symptoms and its associated factors among healthy community-dwelling older adults living in Australia and the United States

Citation

Mohebbi, M and Agustini, B and Woods, RL and McNeil, JJ and Nelson, MR and Shah, RC and Nguyen, V and Storey, E and Murray, AM and Reid, CM and Kirpach, B and Wolfe, R and Lockery, JE and Berk, M, on behalf of the ASPREE Investigator Group, Prevalence of depressive symptoms and its associated factors among healthy community-dwelling older adults living in Australia and the United States, International Journal of Geriatric Psychiatry pp. 1-9. ISSN 0885-6230 (2019) [Refereed Article]

Copyright Statement

Copyright 2019 John Wiley & Sons, Ltd.

DOI: doi:10.1002/gps.5119

Abstract

Objective: This study was conducted to estimate prevalence rates and factors associated with depressive symptoms indexed by the Centre for Epidemiological Studies-Depression (CES-D-10) score in a large sample of community-dwelling healthy older adults from Australia and the United States. Convergent and divergent validity of the CES-D-10 were also examined.

Methods: A total of 19 114 individuals aged greater than or equal to 65 years old were enrolled from a primary prevention clinical trial. Depressive symptoms were classified using the CES-D-10 score greater than or equal to 8 and greater than or equal to 10. Gender-specific prevalence for subgroups according to sociodemographic characteristics were reported, and factors associated with depressive symptoms were estimated.

Results: The overall prevalence rates of depressive symptoms were 9.8%, 95% CI, 8.5-11.2 and 5.0%, 95% CI, 4.0-6.0, according to the CES-D-10 score greater than or equal to 8 and greater than or equal to 10, respectively. Depressive symptoms were more common in women, individuals with less than 12 years of education, those living alone or in a residential care, ethnic minorities, current smokers, and former alcohol users. Convergent and divergent validities of the CES-D-10 were confirmed by observing strong negative association with the SF-12 mental health component and a modest negative association with SF-12 physical component, respectively.

Conclusions: This study reports the prevalence of depressive symptoms in Australian and US community-dwelling healthy older populations. These findings emphasize the high burden of the condition and factors associated with depressive symptoms, to better inform clinicians and help with early detection and treatment of depression in this age group.

Item Details

Item Type:Refereed Article
Keywords:CES-D-10, convergent validity, depression, late-life depression, mental disorder, older adults, prevalence
Research Division:Medical and Health Sciences
Research Group:Cardiorespiratory Medicine and Haematology
Research Field:Cardiology (incl. Cardiovascular Diseases)
Objective Division:Health
Objective Group:Clinical Health (Organs, Diseases and Abnormal Conditions)
Objective Field:Cardiovascular System and Diseases
UTAS Author:Nelson, MR (Professor Mark Nelson)
ID Code:133059
Year Published:2019
Web of Science® Times Cited:3
Deposited By:Menzies Institute for Medical Research
Deposited On:2019-06-05
Last Modified:2019-07-23
Downloads:0

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