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J Geriatr Psychiatry Neurol. 2014 Sep;27(3):181-7. doi: 10.1177/0891988714524628. Epub 2014 Mar 10.

Cognitive complaints correlate with depression rather than concurrent objective cognitive impairment in the successful aging evaluation baseline sample.

Author information

1
Department of Psychiatry, University of California San Diego, La Jolla, CA, USA Sam and Rose Stein Institute for Research on Aging, University of California, San Diego, CA, USA zzlatar@ucsd.edu.
2
Department of Psychiatry, University of California San Diego, La Jolla, CA, USA Sam and Rose Stein Institute for Research on Aging, University of California, San Diego, CA, USA.

Abstract

OBJECTIVE:

Whether subjective cognitive complaints are suggestive of depression or concurrent cognitive impairment in older adults without dementia remains unclear. The current study examined this question in a large (N = 1000), randomly selected, community-based sample of adults aged 51 to 99 years without a formal diagnosis of dementia (Successful AGing Evaluation [SAGE] study).

METHODS:

The modified Telephone Interview for Cognitive Status (TICS-m) measured objective cognitive function, the Cognitive Failures Questionnaire (CFQ) measured subjective cognitive complaints, and the 9-item Patient Health Questionnaire (PHQ-9) measured depression. Spearman ρ correlations and linear regression models were conducted to examine the relationship among variables in the baseline SAGE sample.

RESULTS:

There was a weak association between TICS-m and CFQ scores (ρ = -.12); however, a moderate to large association was observed for CFQ and PHQ-9 (ρ = .44). Scores on the CFQ were not associated with TICS-m scores (β = -.03, P = .42) after controlling for PHQ-9 and variables of interest, such as age, gender, ethnicity, and physical functioning, while PHQ-9 was significantly associated with CFQ scores (β = .46, P < .001) after controlling for variables of interest.

CONCLUSIONS:

Subjective cognitive complaints are more likely related to symptoms of depression rather than concurrent cognitive impairment in a large cross-section of community-dwelling adults without a formal diagnosis of dementia.

KEYWORDS:

aging; cognitive failures questionnaire (CFQ); cognitive function; depression; modified telephone interview for cognitive status (TICS-m); subjective cognitive complaints

PMID:
24614203
PMCID:
PMC4255945
DOI:
10.1177/0891988714524628
[Indexed for MEDLINE]
Free PMC Article

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