Agreement Between Apple Watch and Actical Step Counts in a Community Setting: Cross-Sectional Investigation From the Framingham Heart Study

Nicole L Spartano   ^{1, 2} , PhD ;   Yuankai Zhang   ³ , MS ;   Chunyu Liu   ³ , PhD ;   Ariel Chernofsky   ³ , PhD ;   Honghuang Lin   ⁴ , PhD ;   Ludovic Trinquart   ^{5, 6} , MPH, PhD ;   Belinda Borrelli   ⁷ , PhD ;   Chathurangi H Pathiravasan   ³ , PhD ;   Vik Kheterpal   ⁸ , MD ;   Christopher Nowak   ⁸ , PhD ;   Ramachandran S Vasan   ^{2, 9, 10} , MD ;   Emelia J Benjamin   ^{2, 11, 12} , MD, ScM ;   David D McManus   ^{13, 14} , MD, ScD ;   Joanne M Murabito   ^{2, 15} , MD, ScM

¹ Section of Endocrinology, Diabetes, Nutrition, and Weight Management, Boston University Chobanian and Avedisian School of Medicine, Boston, MA, United States

² Boston University's and National Heart, Lung, and Blood Institute's Framingham Heart Study, Framingham, MA, United States

³ Boston University School of Public Health, Boston, MA, United States

⁴ University of Massachusetts Chan Medical School, Worcester, MA, United States

⁵ Institute for Clinical Research and Health Policy Studies, Tufts Medical Center, Boston, MA, United States

⁶ Tufts Clinical and Translational Science Institute, Tufts University, Boston, MA, United States

⁷ Boston University Henry M. Goldman School of Dental Medicine, Center for Behavioral Science Research, Boston, MA, United States

⁸ Care Evolution, Ann Arbor, MI, United States

⁹ Section of Preventive Medicine and Epidemiology, Department of Medicine, Boston University Chobanian and Avedisian School of Medicine, Boston, MA, United States

¹⁰ University of Texas School of Public Health and University of Texas Health Sciences Center, San Antonio, TX, United States

¹¹ Section of Cardiology, Department of Medicine, Boston Medical Center, Boston University Chobanian and Avedisian School of Medicine, Boston, MA, United States

¹² Department of Epidemiology, Boston University School of Public Health, Boston, MA, United States

¹³ Department of Medicine, University of Massachusetts Chan Medical School, Worcester, MA, United States

¹⁴ Department of Population and Quantitative Health Sciences, University of Massachusetts Chan Medical School, Worcester, MA, United States

¹⁵ Section of General Internal Medicine, Department of Medicine, Boston University Chobanian and Avedisian School of Medicine and Boston Medical Center, Boston, MA, United States