Twenty-four Hours of Sleep, Sedentary Behavior, and Physical Activity with Nine Wearable Devices

Mary E. Rosenberger, Matthew Buman, William L. Haskell, Michael V. McConnell, Laura L. Carstensen

Research output: Contribution to journalArticle

131 Scopus citations

Abstract

Getting enough sleep, exercising, and limiting sedentary activities can greatly contribute to disease prevention and overall health and longevity. Measuring the full 24-h activity cycle-sleep, sedentary behavior (SED), light-intensity physical activity (LPA), and moderate-to-vigorous physical activity (MVPA)-may now be feasible using small wearable devices. Purpose This study compared nine devices for accuracy in a 24-h activity measurement. Methods Adults (n = 40, 47% male) wore nine devices for 24 h: ActiGraph GT3X+, activPAL, Fitbit One, GENEactiv, Jawbone Up, LUMOback, Nike Fuelband, Omron pedometer, and Z-Machine. Comparisons (with standards) were made for total sleep time (Z-machine), time spent in SED (activPAL), LPA (GT3X+), MVPA (GT3X+), and steps (Omron). Analysis included mean absolute percent error, equivalence testing, and Bland-Altman plots. Results Error rates ranged from 8.1% to 16.9% for sleep, 9.5% to 65.8% for SED, 19.7% to 28.0% for LPA, 51.8% to 92% for MVPA, and 14.1% to 29.9% for steps. Equivalence testing indicated that only two comparisons were significantly equivalent to standards: the LUMOback for SED and the GT3X+ for sleep. Bland-Altman plots indicated GT3X+ had the closest measurement for sleep, LUMOback for SED, GENEactiv for LPA, Fitbit for MVPA, and GT3X+ for steps. Conclusions Currently, no device accurately captures activity data across the entire 24-h day, but the future of activity measurement should aim for accurate 24-h measurement as a goal. Researchers should continue to select measurement devices on the basis of their primary outcomes of interest.

Original languageEnglish (US)
Pages (from-to)457-465
Number of pages9
JournalMedicine and science in sports and exercise
Volume48
Issue number3
DOIs
StatePublished - Mar 1 2016

Keywords

  • ACCELEROMETERS
  • ACTIGRAPH
  • ACTIVITY MONITORS
  • ACTIVPAL
  • FITBIT
  • GENEACTIV

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation

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