Factor Analysis of the Cognitive Abilities Screening Instrument: Kuakini Honolulu-Asia Aging Study

Overview

Journal Int Psychogeriatr

Publisher Elsevier

Specialties Geriatrics
Psychiatry

Date 2020 Jun 26

PMID 32583753

Citations 1

Authors

Hardeep K Obhi

Jennifer A Margrett

Daniel W Russell

Peter Martin

Leonard W Poon

Kamal Masaki

Bradley J Willcox

Affiliations

Soon will be listed here.

Abstract

Objective: The Cognitive Abilities Screening Instrument (CASI) is a screening test of global cognitive function used in research and clinical settings. However, the CASI was developed using face validity and has not been investigated via empirical tests such as factor analyses. Thus, we aimed to develop and test a parsimonious conceptualization of the CASI rooted in cognitive aging literature reflective of crystallized and fluid abilities.

Design: Secondary data analysis implementing confirmatory factor analyses where we tested the proposed two-factor solution, an alternate one-factor solution, and conducted a χ difference test to determine which model had a significantly better fit.

Setting: N/A.

Participants: Data came from 3,491 men from the Kuakini Honolulu-Asia Aging Study.

Measurements: The Cognitive Abilities Screening Instrument.

Results: Findings demonstrated that both models fit the data; however, the two-factor model had a significantly better fit than the one-factor model. Criterion validity tests indicated that participant age was negatively associated with both factors and that education was positively associated with both factors. Further tests demonstrated that fluid abilities were significantly and negatively associated with a later-life dementia diagnosis.

Conclusions: We encourage investigators to use the two-factor model of the CASI as it could shed light on underlying cognitive processes, which may be more informative than using a global measure of cognition.

Citing Articles

Cross-sectional and longitudinal associations between late-life depressive symptoms and cognitive deficits: 20-year follow-up of the Kuakini Honolulu-Asia aging study.

Kallianpur K, Obhi H, Donlon T, Masaki K, Willcox B, Martin P Arch Gerontol Geriatr. 2024; 127:105551.

PMID: 38968756 PMC: 11401759. DOI: 10.1016/j.archger.2024.105551.

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