Comparison of On-Site Versus Remote Mobile Device Support in the Framingham Heart Study Using the Health eHeart Study for Digital Follow-up: Randomized Pilot Study Set Within an Observational Study Design

Nicole L Spartano   ^{1, 2} , PhD ;   Honghuang Lin   ³ , PhD ;   Fangui Sun   ⁴ , PhD ;   Kathryn L Lunetta   ⁴ , PhD ;   Ludovic Trinquart   ⁴ , PhD, MPH ;   Maureen Valentino   ¹ , BSc ;   Emily S Manders   ¹ , BSc ;   Mark J Pletcher   ⁵ , MD, MPH ;   Gregory M Marcus   ⁶ , MD, MAS ;   David D McManus   ⁷ , MD ;   Emelia J Benjamin   ^{1, 8, 9} , MD, ScM ;   Caroline S Fox   ^{1, 10} , MD, MPH ;   Jeffrey E Olgin   ^{6 *} , MD ;   Joanne M Murabito   ^{1, 3, 8 *} , MD, ScM

¹ Framingham Heart Study, Framingham, MA, United States

² Section of Endocrinology, Diabetes, Nutrition, and Weight Management, Boston University School of Medicine, Boston, MA, United States

³ Section of General Internal Medicine, Department of Medicine, Boston University School of Medicine, Boston, MA, United States

⁴ Department of Biostatistics, Boston University School of Public Health, Boston, MA, United States

⁵ Department of Epidemiology and Biostatistics, University of California, San Francisco, San Francisco, CA, United States

⁶ Division of Hospital Medicine, University of California, San Francisco, San Francisco, CA, United States

⁷ Department of Medicine, University of Massachusetts Medical School, Worcester, MA, United States

⁸ Boston University School of Medicine, Boston, MA, United States

⁹ Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, Massachusetts General Hospital | Harvard Medical School, Boston, MA, United States

¹⁰ Merck Research Laboratories, Boston, MA, United States

*these authors contributed equally