COVID-19 Impact on Health Behaviors and Survey Engagement in Older African Americans: Longitudinal Cohort Study

Selda Yildiz   ^{1, 2} , PhD ;   Nora Mattek   ^{1, 2, 3} , MPH ;   Joel Steele   ^{1, 2, 4} , PhD ;   Sarah Gothard   ^{1, 2, 3, 5} , MS ;   Bryan D James   ^{6, 7} , PhD ;   Ana W Capuano   ^{6, 8, 9} , PhD ;   Lisa L Barnes   ⁶ , PhD ;   Jeffrey A Kaye   ^{1, 2, 3} , MD ;   Zachary T Beattie   ^{1, 2, 3} , PhD

¹ Department of Neurology, Oregon Health & Science University, Portland, OR, United States

² Layton Aging & Alzheimer's Disease Center, Oregon Health & Science University, Portland, OR, United States

³ Oregon Center for Aging & Technology (ORCATECH), Oregon Health & Science University, Portland, OR, United States

⁴ Department of Indigenous Health, University of North Dakota, Grand Forks, ND, United States

⁵ Department of Epidemiology, University of Washington, Seattle, WA, United States

⁶ Rush Alzheimer's Disease Center, Rush University Medical Center, Chicago, IL, United States

⁷ Department of Internal Medicine, Rush University Medical Center, Chicago, IL, United States

⁸ Department of Neurology, University of Chicago, Chicago, IL, United States

⁹ Department of Public Health Sciences, University of Chicago, Chicago, IL, United States