Postmarketing Follow-Up of a Digital Home Exercise Program for Back, Hip, and Knee Pain: Retrospective Observational Study With a Time-Series and Matched-Pair Analysis

Gisbert Wilhelm Teepe   ¹ , MSc ;   Tobias Kowatsch   ^{1, 2, 3} , Prof Dr ;   Felix Patricius Hans   ^{4, 5 *} , MD ;   Leo Benning   ^{4, 5, 6 *} , MPH, MD

¹ Centre for Digital Health Intervention, ETH Zürich, Zürich, Switzerland

² Institute for Implementation Science in Health Care, University of Zürich, Zürich, Switzerland

³ School of Medicine, University of St. Gallen, St.Gallen, Switzerland

⁴ University Emergency Center, Medical Center - University of Freiburg, Freiburg, Germany

⁵ Faculty of Medicine, University of Freiburg, Freiburg, Germany

⁶ Vivira Health Lab GmbH, Berlin, Germany

*these authors contributed equally