Psychometric properties of the MOBITEC-GP mobile application for real-life mobility assessment in older adults
Giannouli, E., Kim, E.-K., Fu, C., Weibel, R., Sofios, A., Infanger, D., Portegijs, E., Rantanen, T., Huang, H., Schmidt-Trucksäss, A., Zeller, A., Rössler, R., & Hinrichs, T. (2022). Psychometric properties of the MOBITEC-GP mobile application for real-life mobility assessment in older adults. Geriatric nursing, 48, 273-279. https://doi.org/10.1016/j.gerinurse.2022.10.017
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Geriatric nursingAuthors
Date
2022Copyright
© 2022 The Author(s). Published by Elsevier Inc.
Aim of this study was to test the reliability and validity of the life-space measures and walking speed delivered by the MOBITEC-GP app. Participants underwent several supervised walking speed assessments as well as a 1-week life-space assessment during two assessment sessions 9 days apart. Fifty-seven older adults (47.4% male, mean age= 75.3 (±5.9) years) were included in the study. The MOBITEC-GP app showed moderate to excellent test-retest reliability (ICCs between 0.584 and 0.920) and validity (ICCs between 0.468 and 0.950) of walking speed measurements of 50 meters and above and of most 1-week life-space parameters, including life-space area, time spent out-of-home, and action range. The MOBITEC-GP app for Android is a reliable and valid tool for the assessment of real-life walking speed (at distances of 50 metres and above) and life-space parameters of older adults. Future studies should look into technical issues more systematically in order to avoid invalid measurements.
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Additional information about funding
This work was supported by the Velux Stiftung (TH; Project No. 1155).License
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