A Smartwatch Step-Counting App for Older Adults: Development and Evaluation Study

George Boateng   ¹ , MS ;   Curtis L Petersen   ² , MPH, MS, PhD ;   David Kotz   ² , PhD ;   Karen L Fortuna   ² , PhD ;   Rebecca Masutani   ³ , MD ;   John A Batsis   ^{2, 4, 5, 6} , MD

¹ Department of Management, Technology and Economics, ETH Zurich, Zurich, Switzerland

² Geisel School of Medicine, Dartmouth College, Hanover, NH, United States

³ Division of Geriatrics and Palliative Care, Icahn School of Medicine at Mount Sinai, New York, NY, United States

⁴ Division of Geriatric Medicine, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States

⁵ Department of Nutrition, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States

⁶ The Dartmouth Institute for Health Policy & Clinical Practice, Geisel School of Medicine at Dartmouth, Hanover, NH, United States