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Medicine and Health Sciences Commons

Open Access. Powered by Scholars. Published by Universities.®

2021

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Epidemiology

Chapman University

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Full-Text Articles in Medicine and Health Sciences

Racial/Ethnic Disparities In Alzheimer’S Disease Risk: Role Of Exposure To Ambient Fine Particles, Diane Younan, Xinhui Wang, Tara Gruenewald, Margaret Gatz, Marc L. Serre, William Vizuete, Meredith N. Braskie, Nancy F. Woods, Ka Kahe, Lorena Garcia, Fred Lurmann, Joann E. Manson, Helena C. Chui, Robert B. Wallace, Mark A. Espeland, Jiu-Chiuan Chen Aug 2021

Racial/Ethnic Disparities In Alzheimer’S Disease Risk: Role Of Exposure To Ambient Fine Particles, Diane Younan, Xinhui Wang, Tara Gruenewald, Margaret Gatz, Marc L. Serre, William Vizuete, Meredith N. Braskie, Nancy F. Woods, Ka Kahe, Lorena Garcia, Fred Lurmann, Joann E. Manson, Helena C. Chui, Robert B. Wallace, Mark A. Espeland, Jiu-Chiuan Chen

Psychology Faculty Articles and Research

Background

Whether racial/ethnic disparities in Alzheimer’s disease (AD) risk may be explained by ambient fine particles (PM2.5) has not been studied.

Methods

We conducted a prospective, population-based study on a cohort of Black (n=481) and White (n=6004) older women (aged 65-79) without dementia at enrollment (1995-98). Cox models accounting for competing risk were used to estimate the hazard ratio (HR) for racial/ethnic disparities in AD (1996-2010) defined by DSM-IV and the association with time-varying annual average PM2.5 (1999-2010) estimated by spatiotemporal model.

Results

Over an average follow-up of 8.3 (±3.5) years with 158 incident cases (21 in …