Participant Flow
Between December 1, 2020, and April 30, 2022, a total of 249 participants at 5 community centers were recruited and randomly assigned to 1 of the 3 groups: mHealth+I (n=74), mHealth (n=71), and control (n=76). None dropped out during the 6-month program (Consolidated Standards Of Reporting Trials flow diagram. mHealth: mobile health; mHealth+I: mobile health with interactivity.