A Mobile Phone-Based Life Skills Training Program for Substance Use Prevention Among Adolescents: Pre-Post Study on the Acceptance and Potential Effectiveness of the Program, Ready4life

Severin Haug   ¹ , PhD ;   Raquel Paz Castro   ¹ , MSc ;   Christian Meyer   ² , PhD ;   Andreas Filler   ^{3, 4} , MSc ;   Tobias Kowatsch   ⁴ , PhD ;   Michael P Schaub   ¹ , PhD

¹ Swiss Research Institute for Public Health and Addiction at the University of Zurich, Zurich University, Zurich, Switzerland

² Institute of Social Medicine and Prevention, University of Greifswald, Greifswald, Germany

³ Energy Efficient Systems Group, University of Bamberg, Bamberg, Germany

⁴ Centre for Digital Health Interventions, Institute of Technology Management, University of St. Gallen, St. Gallen, Switzerland