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Informant sex/gender moderates associations between reported functioning and memory performance in Mexican American
Lisa V Graves1, Dora Beacham1, Nicole Sawitzky1
1Psychology Department, California State University San Marcos, San Marcos, CA, USA.
The Clinical Neuropsychologist
|August 12, 2023
Summary
Female informants report worse daily functioning in Mexican Americans, and their reports align better with objective memory test results compared to male informants. This highlights informant characteristics in dementia assessments.
Area of Science:
- Neuropsychology
- Gerontology
- Public Health
Background:
- Neuropsychological evaluations use objective tests for cognition and subjective reports for daily functioning.
- Informant characteristics influence the accuracy of reported functioning and its correlation with objective performance.
- Hispanic/Latino populations, including Mexican Americans, have higher dementia rates but underrepresentation in studies on informant characteristics.
Purpose of the Study:
- To examine informant characteristics' associations with reported participant functioning in Mexican Americans.
- To investigate if informant characteristics moderate the relationship between reported functioning and neuropsychological performance.
- To address a gap in understanding informant influence on cognitive assessments in Hispanic/Latino populations.
Main Methods:
- Analysis of Mexican American participants (n=294) from the National Alzheimer's Coordinating Center cohort.
- Assessment of participant functioning using the Functional Activities Questionnaire (FAQ).
- Examination of informant characteristics (e.g., gender, education) and their impact on functioning reports and neuropsychological test associations.
Main Results:
- Female informants reported significantly worse participant functioning than male informants (p=.035).
- Associations between reported functioning and memory performance were significant for participants with female informants, but not male informants (p=.024).
- Higher informant education correlated with worse reported participant functioning (p=.011), but did not moderate performance associations.
Conclusions:
- Female informants' subjective reports of Mexican American functioning may better align with objective memory performance.
- Informant gender is a crucial factor in interpreting subjective reports in neuropsychological evaluations for this population.
- Future research should consider informant characteristics to improve accuracy in dementia risk assessment for diverse groups.
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