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Usability, acceptability, and safety analysis of a computer-tailored web-based exercise intervention (exercise guide) for individuals with metastatic prostate cancer: Multi-methods laboratory-based study

journal contribution
posted on 12.10.2021, 01:13 by Holly EL Evans, Cynthia C Forbes, Daniel A Galvão, Corneel VandelanotteCorneel Vandelanotte, Robert U Newton, Gary Wittert, Suzanne Chambers, Andrew D Vincent, Ganessan Kichenadasse, Danielle Girard, Nicholas Brook, Camille E Short
Background: Digital health interventions such as tailored websites are emerging as valuable tools to provide individualized exercise and behavioral change information for individuals diagnosed with cancer. Objective: The aim of this study is to investigate and iteratively refine the acceptability and usability of a web-based exercise intervention (ExerciseGuide) for men with metastatic prostate cancer and determine how well individuals can replicate the video-based exercise prescription. Methods: A laboratory-based multi-methods design was used, incorporating questionnaires, think-aloud tests, interviews, and movement screening among 11 men aged 63 to 82 years with metastatic prostate cancer. Overall, 9 participants were undergoing androgen deprivation therapy, and 2 were completing chemotherapy. Data were collected in two waves, with changes made for quality improvement after participant 5. Results: The intervention’s usability score was deemed moderate overall but improved after modifications (from 60, SD 2.9 to 69.6, SD 2.2 out of 100). Overall, the participants found the intervention acceptable, with scores improving from wave 1 (24.2, SD 1.1 out of 30) to wave 2 (26.3, SD 2.1 out of 30). The personalized multimodal exercise prescription and computer-tailored education were seen as valuable. After wave 1, website navigation videos were added, medical terminology was simplified, and a telehealth component was included after expert real-time telehealth support was requested. Wave 2 changes included the added variety for aerobic exercise modes, reduced computer-tailoring question loads, and improved consistency of style and grammar. Finally, the participants could replicate the resistance exercise videos to a satisfactory level as judged by the movement screen; however, additional technique cueing within the videos is recommended to address safety concerns. Conclusions: The acceptability and usability of ExerciseGuide were deemed satisfactory. Various problems were identified and resolved. Notably, the participants requested the inclusion of personalized expert support through telehealth. The resistance training algorithms were shown to provide appropriate content safely, and the users could replicate the exercise technique unaided to a satisfactory level. This study has optimized the ExerciseGuide intervention for further investigation in this population.

Funding

Category 1 - Australian Competitive Grants (this includes ARC, NHMRC)

History

Volume

7

Issue

3

Start Page

1

End Page

16

Number of Pages

16

eISSN

2369-1999

ISSN

2369-1999

Publisher

J M I R Publications

Publisher License

CC BY

Additional Rights

CC BY 4.0

Language

en

Peer Reviewed

Yes

Open Access

Yes

Acceptance Date

13/06/2021

External Author Affiliations

University of Adelaide; University of South Australia; Flinders Centre for Innovation in Cancer; University of Adelaide; University of Hull, UK; Edith Cowan University; Australian Catholic University

Author Research Institute

Appleton Institute

Era Eligible

Yes

Medium

Electronic

Journal

JMIR Cancer

Article Number

e28370