==== Front Innov Aging Innov Aging innovateage Innovation in Aging 2399-5300 Oxford University Press US 10.1093/geroni/igaa057.2444 igaa057.2444 Abstracts Session 6150 (Symposium) AcademicSubjects/SOC02600 Gender Differences in 30-Day Re-Hospitalization Among Medicare Beneficiaries With Alzheimer’s and Dementia Gilmore-Bykovskyi Andrea University of Wisconsin-Madison, Madison, Wisconsin, United States 2020 16 12 2020 16 12 2020 4 Suppl 1 Program Abstracts from The GSA 2020 Annual Scientific Meeting “Turning 75: Why Age Matters”697 697 © The Author(s) 2020. Published by Oxford University Press on behalf of The Gerontological Society of America.2020This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.Abstract Hospitalization is associated with accelerated cognitive decline for persons with Alzheimer’s disease and related dementia (ADRD), which disproportionately impacts women. Persons with ADRD are also at higher risk for 30-day rehospitalization, which may compound the impact of hospitalization-related exposures that precipitate decline. Evidence surrounding the intersections between gender and rehospitalization risk among diverse, representative populations with ADRD are lacking. This retrospective cohort study used a 100% national sample of Medicare beneficiaries with a diagnosis of ADRD and qualifying index hospitalization in 2014 (n= 1,033,144 unique beneficiaries and 1,672,238 unique stays). The primary outcome was rate of 30-day rehospitalization by gender and race. Within each racial group, men have higher rehospitalization rates than women: 2.6% higher among white men, 1.7% among African American men, and 2.6% higher among other racial/ethnic minorities. Findings highlight the importance of elucidating mechanisms underlying gender differences in hospital utilization and subsequent impact on cognitive decline.