The Impact of a Place-Tailored Digital Health App Promoting Exercise Classes on African American Women’s Physical Activity and Obesity: Simulation Study

Tiffany M Powell-Wiley   ^{1, 2} , MD, MPH ;   Marie F Martinez   ^{3, 4} , MSPH ;   Kosuke Tamura   ⁵ , PhD ;   Sam J Neally   ¹ , BA ;   Kelly J O'Shea   ^{3, 4} , BSFS ;   Kaveri Curlin   ¹ , BS ;   Yardley Albarracin   ³ , MPH ;   Nithya P Vijayakumar   ¹ , MD ;   Matthew Morgan   ³ , MBE ;   Erika Ortiz-Chaparro   ¹ , MD ;   Sarah M Bartsch   ^{3, 4} , MPH ;   Foster Osei Baah   ¹ , PhD ;   Patrick T Wedlock   ^{3, 4} , MSPH ;   Lola R Ortiz-Whittingham   ¹ , BS ;   Sheryl Scannell   ^{3, 4} , MS ;   Kameswari A Potharaju   ¹ , BA ;   Samuel Randall   ³ , BS ;   Mario Solano Gonzales   ³ , BS ;   Molly Domino   ³ , BS ;   Kushi Ranganath   ³ , BS ;   Daniel Hertenstein   ³ , BS ;   Rafay Syed   ³ , MS ;   Colleen Weatherwax   ^{3, 4} , MS ;   Bruce Y Lee   ^{3, 4} , MD, MBA

¹ Social Determinants of Obesity and Cardiovascular Risk Laboratory, Cardiovascular Branch, Division of Intramural Research, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States

² Intramural Research Program, National Institute on Minority Health and Health Disparities, National Institutes of Health, Bethesda, MD, United States

³ Public Health Informatics, Computational, and Operations Research, CUNY Graduate School of Public Health and Health Policy, New York, NY, United States

⁴ Center for Advanced Technology and Communication in Health, CUNY Graduate School of Public Health and Health Policy, New York, NY, United States

⁵ Socio-Spatial Determinants of Health (SSDH) Laboratory, Population and Community Sciences Branch, Intramural Research Program, National Institute on Minority Health and Health Disparities, National Institutes of Health, Bethesda, MD, United States