Acceptability of wearable devices for measuring mobility remotely: Observations from the Mobilise-D technical validation study

Keogh, Alison, Alcock, Lisa, Brown, Philip, Buckley, Ellen, Brozgol, Marina, Gazit, Eran, Hansen, Clint, Scott, Kirsty, Schwickert, Lars, Becker, Clemens, Hausdorff, Jeffrey M., Maetzler, Walter, Rochester, Lynn, Sharrack, Basil, Vogiatzis, Ioannis, Yarnall, Alison, Mazzà, Claudia and Caulfield, Brian (2023) Acceptability of wearable devices for measuring mobility remotely: Observations from the Mobilise-D technical validation study. Digital Health, 9. p. 205520762211507. ISSN 2055-2076

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Abstract

Background
This study aimed to explore the acceptability of a wearable device for remotely measuring mobility in the Mobilise-D technical validation study (TVS), and to explore the acceptability of using digital tools to monitor health.
Methods
Participants (N = 106) in the TVS wore a waist-worn device (McRoberts Dynaport MM + ) for one week. Following this, acceptability of the device was measured using two questionnaires: The Comfort Rating Scale (CRS) and a previously validated questionnaire. A subset of participants (n = 36) also completed semi-structured interviews to further determine device acceptability and to explore their opinions of the use of digital tools to monitor their health. Questionnaire results were analysed descriptively and interviews using a content analysis.
Results
The device was considered both comfortable (median CRS (IQR; min-max) = 0.0 (0.0; 0–20) on a scale from 0–20 where lower scores signify better comfort) and acceptable (5.0 (0.5; 3.0–5.0) on a scale from 1–5 where higher scores signify better acceptability). Interviews showed it was easy to use, did not interfere with daily activities, and was comfortable. The following themes emerged from participants’ as being important to digital technology: altered expectations for themselves, the use of technology, trust, and communication with healthcare professionals.
Conclusions
Digital tools may bridge existing communication gaps between patients and clinicians and participants are open to this. This work indicates that waist-worn devices are supported, but further work with patient advisors should be undertaken to understand some of the key issues highlighted. This will form part of the ongoing work of the Mobilise-D consortium.

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