Adherence to Internet-Based Mobile-Supported Stress Management: A Pooled Analysis of Individual Participant Data From Three Randomized Controlled Trials

Anna-Carlotta Zarski   ^{1, 2} , MSc ;   Dirk Lehr   ^{2, 3} , PhD ;   Matthias Berking   ^{1, 2} , PhD ;   Heleen Riper   ^{2, 4, 5} , PhD ;   Pim Cuijpers   ^{2, 4} , PhD ;   David Daniel Ebert   ^{1, 2} , PhD

¹ Department of Clinical Psychology and Psychotherapy, Friedrich-Alexander University Erlangen-Nuremberg, Erlangen, Germany

² Innovation Incubator, Division of Online Health Training, Leuphana University Lueneburg, Luenburg, Germany

³ Institut for Psychology, Department of Health Psychology and Applied Biological Psychology, Leuphana University Luenburg, Lueneburg, Germany

⁴ Department of Clinical Psychology, VU University Amsterdam, Amsterdam, Netherlands

⁵ Telepsychiatric Centre, University of Southern Denmark, Odense, Denmark