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A Comparison of Sedentary Behavior as Measured by the Fitbit and ActivPAL in College Students

Author

Listed:
  • Chelsea Carpenter

    (Department of Clinical and Health Psychology, College of Public Health and Health Professions, University of Florida, Gainesville, FL 32610, USA)

  • Chih-Hsiang Yang

    (Department of Exercise Science, Arnold School of Public Health, University of South Carolina, Columbia, SC 29208, USA)

  • Delia West

    (Department of Exercise Science, Arnold School of Public Health, University of South Carolina, Columbia, SC 29208, USA)

Abstract

Previous studies have examined the ability of the Fitbit to measure physical activity compared to research-grade accelerometers. However, few have examined whether Fitbits accurately measure sedentary behavior. This study examined whether the Fitbit Charge 3 adequately quantifies sedentary behavior compared to the gold standard in objectively measured sedentary behavior assessment, the activPAL. Eleven adults wore a Fitbit Charge 3 and activPAL device for 14 days and self-reported their sedentary behavior each week. ActivPAL epoch data were summed into minute-by-minute data and processed with two cutpoints ( activPAL_Half and activPAL_Full ) to compare to Fitbit data. Paired t-tests were used to examine differences between the two devices for sedentary behavior variables. Intraclass correlations were used to examine device agreement. There was no significant difference in sedentary time between activPAL_Half and Fitbit data, but activPAL_Full estimated significantly lower sedentary time than Fitbit. Intraclass correlations showed high agreement. We suggest that Fitbit could replace activPAL when measuring total sedentary time.

Suggested Citation

  • Chelsea Carpenter & Chih-Hsiang Yang & Delia West, 2021. "A Comparison of Sedentary Behavior as Measured by the Fitbit and ActivPAL in College Students," IJERPH, MDPI, vol. 18(8), pages 1-9, April.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:8:p:3914-:d:532334
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    Citations

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    Cited by:

    1. Yukako Yamaga & Thomas Svensson & Ung-il Chung & Akiko Kishi Svensson, 2023. "Association between Metabolic Syndrome Status and Daily Physical Activity Measured by a Wearable Device in Japanese Office Workers," IJERPH, MDPI, vol. 20(5), pages 1-13, February.
    2. Fiona Curran & Kieran P. Dowd & Casey L. Peiris & Hidde P. van der Ploeg & Mark S. Tremblay & Grainne O’Donoghue, 2022. "A Standardised Core Outcome Set for Measurement and Reporting Sedentary Behaviour Interventional Research: The CROSBI Consensus Study," IJERPH, MDPI, vol. 19(15), pages 1-15, August.

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