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Randomized Controlled Trial
. 2013 Dec;25(8 Suppl):128S-46S.
doi: 10.1177/0898264313498415.

Relationship of demographic and health factors to cognition in older adults in the ACTIVE study

Daniel F Rexroth  1 , Sharon L Tennstedt, Richard N Jones, Lin T Guey, George W Rebok, Michael M Marsiske, Yan Xu, Frederick W Unverzagt
Affiliations
Randomized Controlled Trial

Relationship of demographic and health factors to cognition in older adults in the ACTIVE study

Daniel F Rexroth et al. J Aging Health. 2013 Dec.

Abstract

Objective: Examine the relationship of demographics and health conditions, alone and in combination, on objective measures of cognitive function in a large sample of community-dwelling older adults.

Method: Baseline data from 2,782 participants in the Advanced Cognitive Training in Independent and Vital Elderly (ACTIVE) study were used to examine relationships of demographics and health conditions with composite scores of memory, reasoning, and speed of processing.

Results: Younger age, increased education, and White race were independently associated with better performance in each cognitive domain after adjusting for gender and health conditions. Male gender, diabetes, and suspected clinical depression were associated with poorer cognitive functioning; suspected clinical depression was associated with lower reasoning and diabetes and history of stroke with slower speed of processing.

Discussion: Age, education, and race are consistently associated with cognitive performance in this sample of older community-dwelling adults. Diabetes, stroke, and suspected clinical depression had independent but weaker effects on cognition.

Keywords: cognitive aging; cognitive functioning; memory; older adults; reasoning; speed.

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Figures

Figure 1
Figure 1
Reasoning composite by race and education
See this image and copyright information in PMC

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