Participant Engagement with a Hyper-Personalized Activity Tracking Smartphone App

Amanda Centi   ¹ , PhD ;   Ramya Palacholla   ^{1, 2, 3} , MD, MPH ;   Sara Golas   ^{1 †} , MA ;   Odeta Dyrmishi   ^{1 †} , MPA ;   Stephen Agboola   ^{1, 2, 3} , MD, MPH ;   Kamal Jethwani   ^{1, 2, 3} , MD, MPH ;   Joseph Kvedar   ^{1, 4, 5 †} , MD

¹ Partners HealthCare, Connected Health Innovation, Boston, MA, United States

² Harvard Medical School, Bostonn, MA, United States

³ Massachusetts General Hospital, Boston, MA, United States

⁴ Harvard Medical School, Boston, MA, United States

⁵ Massachusetts General Hospital, Boston, MA, United States