Study design
PREDICT (Prediction using a Randomized Evaluation of Data collection Integrated through Connected Technologies) was a 2-arm randomized clinical trial conducted remotely after patients were discharged from inpatient medicine services at two Penn Medicine hospitals in Philadelphia to their home (ClinicalTrials.gov number, NCT02983812). The trial was conducted was conducted from January 23, 2017 to December 7, 2019. Patients were randomly assigned to use either a smartphone application alone or with a wearable device to collect data on activity patterns for 6 months. Trends in device utilization during this time period have been previously publishedThe trial interventions were conducted using Way to Health, a research technology platform at the University of Pennsylvania used previously for remote-monitoring of activity patterns