Is the Xiaomi Mi Band 4 an Accuracy Tool for Measuring Health-Related Parameters in Adults and Older People? An Original Validation Study

Ana de la Casa Pérez, Pedro Ángel Latorre Román, Marcos Muñoz Jiménez, Manuel Lucena Zurita, José Alberto Laredo Aguilera, Juan Antonio Párraga Montilla and José Carlos Cabrera Linares
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Ana de la Casa Pérez: Department of Didactic of Music, Plastic and Corporal Expression, University of Jaén, 23071 Jaen, Spain
Pedro Ángel Latorre Román: Department of Didactic of Music, Plastic and Corporal Expression, University of Jaén, 23071 Jaen, Spain
Marcos Muñoz Jiménez: Research Group HUM-790, University of Jaén, 23071 Jaen, Spain
Manuel Lucena Zurita: Department of Didactic of Music, Plastic and Corporal Expression, University of Sagrada Familia de Úbeda, Úbeda, 23400 Jaen, Spain
José Alberto Laredo Aguilera: Faculty of Physiotherapy and Nursing of Toledo, University of Castilla-La Mancha, 45005 Toledo, Spain
Juan Antonio Párraga Montilla: Department of Didactic of Music, Plastic and Corporal Expression, University of Jaén, 23071 Jaen, Spain
José Carlos Cabrera Linares: Department of Didactic of Music, Plastic and Corporal Expression, University of Jaén, 23071 Jaen, Spain

IJERPH, 2022, vol. 19, issue 3, 1-12

Abstract: Background: The aim of this study was to analyse the validity and accuracy of the low-cost Xiaomi Mi Band 4 (MB4) fitness tracker in relation to step count and heart rate in free-living conditions. Methods: 46 participants join in this study (38.65 ± 14.36 years old). The MB4 was compared with a video recording in laboratory conditions, also with the Sense Wear and Firstbeat monitors in free-living conditions. Results: No significant differences were found in the number of steps in the laboratory protocol between devices, in both, at low and high walking speed. For the free-living conditions, the MB4 showed high values of convergent validity in relation to the Firstbeat monitor during recording in both rest and walking situations. Moreover, the MB4 showed adequate values of convergent validity with the Sense Wear monitor during the 24 h recording, at medium speeds, and climbing stairs. Conclusion: The accuracy and precision of the MB4 is reasonable and can be used to monitor the average of step count and heart rate in free-living conditions.

Keywords: Xiaomi Mi Band 4; laboratory and free-living condition; validity and reliability; physical activity; low-cost fitness trackers (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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