Social Gaming to Decrease Loneliness in Older Adults: Recruitment Challenges and Attrition Analysis in a Digital Mixed Methods Feasibility Study

Bas D L Châtel   ^{1, 2, 3} , MSc ;   Jeroen H M Janssen   ^{1, 3} , MSc ;   Geeske M E E Peeters   ^{1, 3} , PhD ;   Rense Corten   ⁴ , PhD ;   Rob Tieben   ⁵ , PhD ;   Menno Deen   ⁶ , PhD ;   Elmy J M Hendriks   ¹ , MD ;   Marcel G M Olde Rikkert   ^{1, 3, 7} , MD, PhD

¹ Department of Geriatric Medicine, Radboud University Medical Center, Nijmegen, The Netherlands

² Computational Science Lab, University of Amsterdam, Amsterdam, The Netherlands

³ Radboudumc Alzheimer Center, Radboud University Medical Center, Nijmegen, The Netherlands

⁴ Department of Sociology/Interuniversity Center for Social Science Theory and Methodology, Utrecht University, Utrecht, The Netherlands

⁵ Games for Health, Eindhoven, The Netherlands

⁶ Super Menno Monster, Utrecht, The Netherlands

⁷ Department of Geriatric Medicine, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, The Netherlands