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Assessing subjective cognitive decline in older adults attending primary health care centers: what question should be asked?

Assessing subjective cognitive decline in older adults attending primary health care centers:... Introduction Subjective Cognitive Decline (SCD) refers to a self-perceived experience of decreased cognitive function without objective signs of cognitive impairment in neuropsychological tests or daily living activities. Despite the abundance of instruments addressing SCD, there is no consensus on the methods to be used. Our study is founded on 11 questions selected due to their recurrence in most instruments. The objective was to determine which one of these questions could be used as a simple screening tool. Methods 189 participants aged 65 and over selected from Primary Care centers in Santiago de Chile responded to these 11 questions and were evaluated with the MiniMental State Examination (MMSE), the Free and Cued Selective Reminding Test (FCSRT), the Pfeffer functional scale, and the Geriatric Depression Scale (GDS). An Item ResponseTheory (IRT) method was performed to assess the contribution of each of the 11 questions to the SCD latent trait and its discrimination ability. Results Based on the results of the exploratory factor analysis showing very high/low saturation of several questions on the factors, and the high residual correlation between some questions, the IRT methods led to select one question (“Do you feel like your memory has become worse?”) which revealed to be the most contributive and discriminant. Participants who answered yes had a higher GDS score. There was no association with MMSE, FCSRT, and Pfeffer scores. Conclusion The question “Do you feel like your memory has become worse?” may be a good proxy of SCD and could be included in routine medical checkups. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Clinical and Experimental Neuropsychology Taylor & Francis

Assessing subjective cognitive decline in older adults attending primary health care centers: what question should be asked?

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References (52)

Publisher
Taylor & Francis
Copyright
© 2023 Informa UK Limited, trading as Taylor & Francis Group
ISSN
1744-411x
eISSN
1380-3395
DOI
10.1080/13803395.2023.2221399
Publisher site
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Abstract

Introduction Subjective Cognitive Decline (SCD) refers to a self-perceived experience of decreased cognitive function without objective signs of cognitive impairment in neuropsychological tests or daily living activities. Despite the abundance of instruments addressing SCD, there is no consensus on the methods to be used. Our study is founded on 11 questions selected due to their recurrence in most instruments. The objective was to determine which one of these questions could be used as a simple screening tool. Methods 189 participants aged 65 and over selected from Primary Care centers in Santiago de Chile responded to these 11 questions and were evaluated with the MiniMental State Examination (MMSE), the Free and Cued Selective Reminding Test (FCSRT), the Pfeffer functional scale, and the Geriatric Depression Scale (GDS). An Item ResponseTheory (IRT) method was performed to assess the contribution of each of the 11 questions to the SCD latent trait and its discrimination ability. Results Based on the results of the exploratory factor analysis showing very high/low saturation of several questions on the factors, and the high residual correlation between some questions, the IRT methods led to select one question (“Do you feel like your memory has become worse?”) which revealed to be the most contributive and discriminant. Participants who answered yes had a higher GDS score. There was no association with MMSE, FCSRT, and Pfeffer scores. Conclusion The question “Do you feel like your memory has become worse?” may be a good proxy of SCD and could be included in routine medical checkups.

Journal

Journal of Clinical and Experimental Neuropsychology – Taylor & Francis

Published: Mar 16, 2023

Keywords: Subjective cognitive decline; item response theory (IRT); older adults; neurocognitive disorders; mild cognitive impairment

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