Feasibility of Gamified Mobile Service Aimed at Physical Activation in Young Men: Population-Based Randomized Controlled Study (MOPO)

Anna-Maiju Leinonen   ^{1, 2, 3} , MSc ;   Riitta Pyky   ^{1, 3, 4, 5} , MSc ;   Riikka Ahola   ^{1, 6} , PhD ;   Maarit Kangas   ^{1, 4} , PhD ;   Pekka Siirtola   ⁷ , PhD ;   Tim Luoto   ⁸ , MSc ;   Heidi Enwald   ^{4, 9} , PhD ;   Tiina M Ikäheimo   ^{4, 10} , PhD ;   Juha Röning   ^{2, 7} , PhD ;   Sirkka Keinänen-Kiukaanniemi   ^{4, 5, 11} , MD, PhD ;   Matti Mäntysaari   ¹² , MD, PhD ;   Raija Korpelainen   ^{3, 4, 5} , PhD ;   Timo Jämsä   ^{1, 2, 4, 13} , PhD

¹ Research Unit of Medical Imaging, Physics and Technology, University of Oulu, Oulu, Finland

² Infotech Oulu, University of Oulu, Oulu, Finland

³ Oulu Deaconess Institute, Department of Sports and Exercise Medicine, Oulu, Finland

⁴ Medical Research Center, Oulu University Hospital and University of Oulu, Oulu, Finland

⁵ Center for Life Course of Health Research, University of Oulu, Oulu, Finland

⁶ Polar Electro, Kempele, Finland

⁷ Faculty of Information Technology and Electrical Engineering, Biomimetics and Intelligent Systems Group, University of Oulu, Oulu, Finland

⁸ Faculty of Humanities, Cultural Anthropology, University of Oulu, Oulu, Finland

⁹ Faculty of Humanities, Information and Communication Studies, University of Oulu, Oulu, Finland

¹⁰ Center for Environmental and Respiratory Health Research, University of Oulu, Oulu, Finland

¹¹ Health Center of Oulu, Oulu, Finland

¹² Centre for Military Medicine, The Finnish Defence Forces, Helsinki, Finland

¹³ Diagnostic Radiology, Oulu University Hospital, Oulu, Finland