Relations Between BMI Trajectories and Habitual Physical Activity Measured by a Smartwatch in the Electronic Cohort of the Framingham Heart Study: Cohort Study

Michael M Hammond   ¹ , MPH, MD ;   Yuankai Zhang   ² , BS ;   Chathurangi H. Pathiravasan   ² , PhD ;   Honghuang Lin   ³ , PhD ;   Mayank Sardana   ⁴ , MBBS ;   Ludovic Trinquart   ² , MPH, PhD ;   Emelia J Benjamin   ^{1, 5, 6} , ScM, MD ;   Belinda Borrelli   ⁷ , PhD ;   Emily S Manders   ¹ , BS ;   Kelsey Fusco   ¹ , BS ;   Jelena Kornej   ¹ , MSc, MD ;   Nicole L Spartano   ⁸ , PhD ;   Vik Kheterpal   ⁹ , MD ;   Christopher Nowak   ⁹ , PhD ;   David D McManus   ^{10, 11} , ScM, MD ;   Chunyu Liu   ² , PhD ;   Joanne M Murabito   ^{1, 12} , ScM, MD

¹ Boston University's and National Heart, Lung, and Blood Institute's Framingham Heart Study, Framingham, MA, United States

² Department of Biostatistics, Boston University School of Public Health, Boston, MA, United States

³ Division of Clinical Informatics, Department of Medicine, University of Massachusetts Medical School, Worcester, MA, United States

⁴ Cardiology Division, Department of Medicine, University of California San Francisco, San Francisco, CA, United States

⁵ Section of Cardiovascular Medicine, Department of Medicine, Boston Medical Center and Boston University School of Medicine, Boston, MA, United States

⁶ Department of Epidemiology, Boston University School of Public Health, Boston, MA, United States

⁷ Department of Health Policy & Health Services Research, Henry M Goldman School of Dental Medicine, Boston University, Boston, MA, United States

⁸ Section of Endocrinology, Diabetes, Nutrition, and Weight Management, Boston University School of Medicine, Boston, MA, United States

⁹ Care Evolution, Ann Arbor, MI, United States

¹⁰ Cardiology Division, Department of Medicine, University of Massachusetts Medical School, Worcester, MA, United States

¹¹ Department of Quantitative Health Sciences, University of Massachusetts Medical School, Worcester, MA, United States

¹² Section of General Internal Medicine, Department of Medicine, Boston University School of Medicine, Boston, MA, United States