Validation of the Fitbit One, Garmin Vivofit and Jawbone UP activity tracker in estimation of energy expenditure during treadmill walking and running
Journal article
Price, Kym, Bird, Stephen R., Lythgo, Noel, Raj, Isaac S., Wong, Jason Y. L. and Lynch, Chris. (2017). Validation of the Fitbit One, Garmin Vivofit and Jawbone UP activity tracker in estimation of energy expenditure during treadmill walking and running. Journal of Medical Engineering and Technology. 41(3), pp. 208-215. https://doi.org/10.1080/03091902.2016.1253795
Authors | Price, Kym, Bird, Stephen R., Lythgo, Noel, Raj, Isaac S., Wong, Jason Y. L. and Lynch, Chris |
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Abstract | Objectives: To determine the validity of energy expenditure estimation made by the Fitbit One, Garmin Vivofit and Jawbone UP activity trackers during treadmill walking and running. Determining validity of such trackers will inform the interpretation of the data they generate. Design: Cross-sectional study. Method: Fourteen adults walked at 0.70, 1.25, 1.80 ms−1 and ran at 2.22, 2.78, 3.33 ms−1 on a treadmill wearing a Fitbit One, Garmin Vivofit and Jawbone UP. Estimation of energy expenditure from each tracker was compared to measurement from indirect calorimetry (criterion). Paired t-tests, correlation coefficients and Bland–Altman plots assessed agreement and proportional bias. Mean percentage difference assessed magnitude of difference between estimated and criterion energy expenditure for each speed. Results: Energy expenditure estimates from the Fitbit One and Garmin Vivofit correlated significantly (p< 0.01; r= 0.702; 0.854) with criterion across all gait speeds (0.70–3.33 ms−1). Fitbit One, Garmin Vivofit and Jawbone UP correlated significantly (p < 0.05; r = 0.729; 0.711; 0.591) with criterion across all walking speeds (0.70–1.80 ms−1). However, only the Garmin Vivofit correlated significantly (p< 0.05; r = 0.346) with energy expenditure estimations from criterion across running speeds (2.22–3.33 ms−1). Bland–Altman plots showed proportional bias for the Fitbit One and Garmin Vivofit. Energy expenditure estimations of single speeds were overestimated by the Fitbit One and underestimated by the Garmin Vivofit. Conclusions: Energy expenditure reported by the devices distinguished between walking and running, with a general increase as exercise intensity increased. However, the reported energy expenditure from these devices should be interpreted with caution, given their potential bias and error. Practical implications • These devices are not suitable as research measurement tools for recording precise and accurate EE estimates but may be suitable for use in interventions of behaviour change as they provide feedback to user on trends in energy expenditure. • If intending to use these devices in studies where precise measurements of energy expenditure are required, researchers need to undertake specific validation and reliability studies prior to interventions and the collection of cross-sectional data. |
Keywords | activity tracker; physiologic; running; walking; accelerometer; wearable technology |
Year | 2017 |
Journal | Journal of Medical Engineering and Technology |
Journal citation | 41 (3), pp. 208-215 |
Publisher | Taylor & Francis |
ISSN | 1464-522X |
Digital Object Identifier (DOI) | https://doi.org/10.1080/03091902.2016.1253795 |
Scopus EID | 2-s2.0-85002487058 |
Research or scholarly | Research |
Page range | 208-215 |
Publisher's version | License All rights reserved File Access Level Controlled |
Output status | Published |
Publication dates | |
Online | 05 Dec 2016 |
Publication process dates | |
Accepted | 20 Oct 2016 |
Deposited | 20 May 2022 |
https://acuresearchbank.acu.edu.au/item/8xwx0/validation-of-the-fitbit-one-garmin-vivofit-and-jawbone-up-activity-tracker-in-estimation-of-energy-expenditure-during-treadmill-walking-and-running
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