Observational studyThe American journal of geriatric psychiatry : official journal of the American Association for Geriatric Psychiatry2024
The Role of State Versus Trait Anxiety on Cognition in Older Adults With Major Depressive Disorder.
Observational study in The American journal of geriatric psychiatry : official journal of the American Association for Geriatric Psychiatry, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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5 authors at 2 institutions in 2 countries.
Funding
Abstract
objectiveAnxiety superimposed on late life depression (LLD) results in greater changes to prefrontal and medial temporal brain regions compared to depression alone. Yet, the combined impact of anxiety and depression on cognition in LLD has not been thoroughly investigated. The current study investigated whether annual changes in state and trait anxiety were associated with cognitive changes in older adults with major depression. We hypothesized that the presence of anxiety among older depressed adults would be associated with worse cognitive performance in the domains of memory and executive functioning over time.
designThree-year longitudinal observational study of older adults with LLD who were offered antidepressant treatment.
settingAcademic Health Center.
methodsParticipants included 124 adults aged 60+ who met criteria for major depression at baseline. The association between anxiety and cognition was examined with separate multilevel linear models that addressed both between-subject and within-person effects of state and trait anxiety on cognitive functioning tests.
resultsIndividuals who experienced annual increases in anxiety above his/her personal average also experienced cognitive decline. Increases in state anxiety were associated with declines in memory and global cognition. By contrast, increases in trait anxiety were associated with declines in mental flexibility and memory. These findings remained significant even when controlling for changes in depression over time.
conclusionIn LLD, individual increases in state and trait anxiety were associated with cognitive declines in different domains.
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