“…mHeath interventions to encourage physical activity and reduce sedentary behavior have shown only small to moderate effects (Direito, Carraca, Rawstorn, Whittaker, & Maddison, 2017). Similarly, mHealth interventions for weight management and healthy eating, including for specific medical indications such as diabetes, have shown only modest effects, suggesting that further innovation and optimization of these interventions are needed (McCarroll, Eyles, & Mhurchu, 2017;Wang, Xue, Huang, Huang, & Zhang, 2017). mHealth programs to facilitate self-management for a range of diseases also have shown modest and mixed effects to date.…”