mHealth Interventions to Reduce Physical Inactivity and Sedentary Behavior in Children and Adolescents: Systematic Review and Meta-analysis of Randomized Controlled Trials

Hannes Baumann   ^{1, 2, 3 *} , MSc ;   Janis Fiedler   ⁴ , MSc ;   Kathrin Wunsch   ^{4 *} , PhD ;   Alexander Woll   ^{4 *} , PhD ;   Bettina Wollesen   ^{1 *} , PhD

¹ Department of Human Movement, Faculty of Psychology and Human Movement Science, University of Hamburg, Hamburg, Germany

² Department of Biological Psychology and Neuroergonomics, Institute for Psychology and Occupational Science, Technical University Berlin, Berlin, Germany

³ Department of Performance, Neuroscience, Therapy and Health, Faculty of Health Sciences, Medical School Hamburg, Hamburg, Germany

⁴ Institute of Sports and Sports Science, Karlsruhe Institute of Technology, Karlsruhe, Germany

*these authors contributed equally