A Novel System for the Device-Based Measurement of Physical Activity, Sedentary Behavior, and Sleep (Motus): Usability Evaluation

Patrick Crowley   ¹ , PhD ;   Rasmus Kildedal   ¹ , MSc ;   Simon Overvad Vindelev   ¹ , MSc ;   Sandra Schade Jacobsen   ¹ , MSc ;   Jon Roslyng Larsen   ¹ , MSc ;   Peter J Johansson   ^{2, 3} , PhD ;   Mette Aadahl   ^{4, 5} , Prof Dr ;   Leon Straker   ⁶ , Prof Dr ;   Emmanuel Stamatakis   ^{7, 8} , Prof Dr ;   Andreas Holtermann   ¹ , Prof Dr ;   Paul Jarle Mork   ⁹ , Prof Dr ;   Nidhi Gupta   ¹ , PhD

¹ The National Research Centre for the Working Environment, Copenhagen, Denmark

² Department of Medical Sciences, Occupational and Environmental Medicine, Uppsala University, Uppsala, Sweden

³ Occupational and Environmental Medicine, Uppsala University Hospital, Uppsala, Sweden

⁴ Center for Clinical Research and Prevention, Bispebjerg and Frederiksberg Hospital, Copenhagen, Denmark

⁵ Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark

⁶ School of Allied Health, Curtin University, Perth, Australia

⁷ Charles Perkins Centre, Mackenzie Wearables Research Hub, University of Sydney, Sydney, Australia

⁸ School of Health Sciences, Faculty of Medicine and Health, University of Sydney, Sydney, Australia

⁹ Department of Public Health and Nursing, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway