Adolescent Engagement With a Multicomponent mHealth Tool: Identifying Usage Patterns, Determinants, and Health Behavior Change in an Intervention Trial

Carmen Peuters   ^{1, 2, 3} , PhD ;   Ann DeSmet   ^{4, 5} , PhD ;   Laura Maenhout   ² , PhD ;   Greet Cardon   ² , PhD ;   Dries Debeer   ⁶ , PhD ;   Geert Crombez   ¹ , PhD

¹ Department of Experimental-Clinical and Health Psychology, Faculty of Psychology and Educational Sciences, Ghent University, Ghent, Belgium

² Department of Movement and Sports Sciences, Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium

³ ISGlobal, Barcelona Institute for Global Health - Campus MAR, Barcelona, Spain

⁴ Faculty of Psychology, Educational Sciences and Speech Therapy, Université Libre de Bruxelles, Brussels, Belgium

⁵ Department of Communication Studies, University of Antwerp, Antwerp, Belgium

⁶ Department of Experimental Psychology, Faculty of Psychology and Educational Sciences, Ghent University, Ghent, Belgium