Smartphone App–Based Survey Deployment Patterns and Longitudinal Response Rate: Randomized Controlled Trial

Yuankai Zhang   ¹ , PhD ;   Jian Rong   ² , PhD ;   Xuzhi Wang   ¹ , PhD ;   Eric Schramm   ³ , PharmD ;   Chathurangi H Pathiravasan   ¹ , PhD ;   Belinda Borrelli   ⁴ , PhD ;   Jamie M Faro   ⁵ , PhD, MS ;   Emelia J Benjamin   ^{6, 7, 8} , MD, ScM ;   Ludovic Trinquart   ^{9, 10} , PhD, MPH ;   Chunyu Liu   ¹ , PhD ;   Joanne M Murabito   ^{6, 11} , MD, ScM

¹ Department of Biostatistics, School of Public Health, Boston University, Boston, MA, United States

² Department of Neurology, Chobanian & Avedisian School of Medicine, Boston University, Boston, MA, United States

³ Care Evolution, Ann Arbor, MI, United States

⁴ Center for Behavioral Science Research, Henry M. Goldman School of Dental Medicine, Boston University, Boston, MA, United States

⁵ Department of Population and Quantitative Health Sciences, UMass Chan Medical School, Worcester, MA, United States

⁶ Boston University’s and National Heart, Lung, and Blood Institute’s Framingham Heart Study, Framingham, MA, United States

⁷ Section of Cardiovascular Medicine, Department of Medicine, Chobanian & Avedisian School of Medicine, Boston University, Boston, MA, United States

⁸ Department of Epidemiology, School of Public Health, Boston University, Boston, MA, United States

⁹ Tufts Clinical and Translational Science Institute, Tufts University, Boston, MA, United States

¹⁰ Institute for Clinical Research and Health Policy Studies, Tufts Medical Center, Boston, MA, United States

¹¹ Section of General Internal Medicine, Department of Medicine, Chobanian & Avedisian School of Medicine, Boston University, Boston, MA, United States