A Smartphone App to Promote an Active Lifestyle in Lower-Educated Working Young Adults: Development, Usability, Acceptability, and Feasibility Study

Dorien Simons   ^{1, 2} , MSc ;   Ilse De Bourdeaudhuij   ³ , Prof Dr ;   Peter Clarys   ² , Prof Dr ;   Katrien De Cocker   ^{3, 4} , Dr ;   Corneel Vandelanotte   ⁵ , Prof Dr ;   Benedicte Deforche   ¹ , Prof Dr

¹ Health Promotion and Education Unit, Department of Public Health, Ghent University, Ghent, Belgium

² Physical Activity, Nutrition and Health Research unit, Faculty of Physical Education and Physical Therapy, Vrije Universiteit Brussel, Brussels, Belgium

³ Department of Movement and Sport Sciences, Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium

⁴ Physically Active Lifestyles Research Group, Institute for Resilient Regions, University of Southern Queensland, Springfield Central, Australia

⁵ Physical Activity Research Group, School for Health, Medical and Applied Science, Central Queensland University, Rockhampton, Australia