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Highlighting and Reducing the Impact of Negative Aging Stereotypes During Older Adults' Cognitive Testing
Published on: January 24, 2020
Education Mediates Racial Disparities in Cognitive Impairment Among Older Adults With Schizophrenia
Sarah Dobbins1, Erin Hubbard1, Heather Leutwyler1
1San Francisco School of Nursing, University of California, San Francisco, California, USA.
Objectives:
In the general population, the construct of race is associated with disparities in cognitive aging. There are notable racial group disparities and inequities among people living with schizophrenia (PLWSz). Despite the salience of the construct of race in schizophrenia, there remains a knowledge gap about racial disparities in cognitive impairment among older adults in this vulnerable population. Our study uses mediation analysis to examine racial disparities in cognitive impairment among older adults with schizophrenia.
Methods:
We assess global cognition in PLWSz over age 55 with the Measurement and Treatment Research to Improve Cognition in Schizophrenia cognitive test battery in our "all-comer" sample (N = 64). The primary exposure is self-reported racial group. We examine mediation of cognitive impairment through educational attainment, adjusting for psychiatric illness severity, history of substance use, and vascular risk factors.
Results:
There was a Black/non-Black group racial disparity in global cognitive score (-2.8, 95% CI: -4.4, -1.3) after adjusting for confounding and interaction. This disparity was significantly mediated by years of education.
Conclusions:
There are notable racial disparities in cognitive impairment among older adults with schizophrenia; however, differences in cognitive scores between racial groups are mediated by level of education.
Clinical Implications:
Social determinants of health, particularly educational attainment, are important risk factors for cognitive impairment in PLWSz and should be considered by clinicians. Early screening and assessment of cognitive symptoms is essential to addressing health disparities/inequalities among older adults living with schizophrenia.
Abbreviations Cde:
Controlled Direct EffectsHIV: Human Immunodeficiency VirusMATRICS: Measurement and Treatment Research to Improve Cognition in SchizophreniaMCCB: MATRICS Consensus Cognitive BatteryMTE: Marginal Total EffectsNDE: Natural Direct EffectsPANSS: Positive and Negative Symptom ScalePLWSz: People with schizophrenia.
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