Fidelity and feasibility of a multicomponent physical activity intervention in a retirement community. Author: Zhang Z1, Giordani B2, Chen W3 Affiliation: <sup>1</sup>School of Kinesiology, University of Michigan, Ann Arbor, MI 48109, USA. <sup>2</sup>Department of Psychiatry, University of Michigan, Ann Arbor, MI 48109, USA. <sup>3</sup>School of Kinesiology, University of Michigan, Ann Arbor, MI 48109, USA. Electronic address: chenwy@umich.edu. Conference/Journal: Geriatr Nurs. Date published: 2019 Dec 31 Other: Pages: S0197-4572(19)30604-4 , Special Notes: doi: 10.1016/j.gerinurse.2019.12.002. [Epub ahead of print] , Word Count: 155 This pilot study examined the fidelity and feasibility of a multicomponent physical activity intervention in a retirement community. Eighteen older adults participated in an 8-week intervention. The intervention included offering group exercise lessons, combined with providing participants wearable activity trackers. Quantitative and qualitative data were collected to assess the feasibility and fidelity. The retention of the study was 83.3% and the average attendance of group lessons was 88.2%. Participants wore the activity trackers on 93.9% of the required days. Individual interviews indicated that participants were generally satisfied with the intervention. However, the Tai Chi session of exercise lessons and the activity trackers were not favored by the majority of the participants. Future interventions should provide tailored and adaptable exercise programs to meet the various physical health conditions of older adults and ease the use of technology to facilitate behavior change. Copyright © 2019 Elsevier Inc. All rights reserved. KEYWORDS: Activity tracker; Intervention; Older adults; Physical activity PMID: 31899004 DOI: 10.1016/j.gerinurse.2019.12.002