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. 2024 Apr-Jun;38(2):152-159.
doi: 10.1097/WAD.0000000000000617. Epub 2024 May 15.

Ethnoracial Identity and Cognitive Impairment: A Community Study

Isabella Wood  1 , Ruopu Song  1 , Yingjin Zhang  2 , Erin Jacobsen  1 , Tiffany Hughes  3 , Chung-Chou H Chang  2   4 , Mary Ganguli  1   5   6
Affiliations

Ethnoracial Identity and Cognitive Impairment: A Community Study

Isabella Wood et al. Alzheimer Dis Assoc Disord. 2024 Apr-Jun.

Abstract

Background: Identifying potentially modifiable risk factors associated with MCI in different ethnoracial groups could reduce MCI burden and health inequity in the population.

Methods: Among 2845 adults aged 65+ years, we investigated potential risk exposures including education, physical and mental health, lifestyle, and sensory function, and their cross-sectional associations with MCI. We compared proportions of exposures between Black and White participants and explored relationships among race, MCI, and exposures. Logistic regression modeled MCI as a function of each exposure in the overall sample adjusting for age, sex, educational level, and race, and investigating race*exposure interactions.

Results: Compared with White participants, Black participants had greater odds of MCI (OR 1.53; 95% CI, 1.13 to 2.06) and were more likely to report depressive symptoms, diabetes, and stroke, to have high blood pressure and BMI, and to be APOE - 4 carriers. Exposures associated with higher odds of MCI were diabetes, stroke, lifetime smoking, sleep disturbances, social isolation, loneliness, depression and anxiety symptoms, and vision and hearing loss. There were no significant interactions between race and any exposure.

Conclusions: Black participants had 53% higher odds of MCI adjusting for age, sex, and education. The same exposures were associated with MCI in Black and White participants.

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Conflict of interest statement

The authors declare no conflicts of interest.

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