Comparison of wearable activity tracker with actigraphy for sleep evaluation and circadian rest-activity rhythm measurement in healthy young adults

Hyun Ah Lee, Heon-Jeong Lee, Joung Ho Moon, Taek Lee, Min Gwan Kim, Hoh In, Chul Hyun Cho, Leen Kim

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Objective The purpose of this study was to evaluate the applicability of data obtained from a wearable activity tracker (Fitbit Charge HR) to medical research. This was performed by comparing the wearable activity tracker (Fitbit Charge HR) with actigraphy (Actiwatch 2) for sleep evaluation and circadian rest-activity rhythm measurement. Methods Sixteen healthy young adults (female participants, 62.5%; mean age, 22.8 years) wore the Fitbit Charge HR and the Actiwatch 2 on the same wrist; a sleep log was recorded over a 14-day period. We compared the sleep variables and circadian rest-activity rhythm measures with Wilcoxon signed-rank tests and Spearman’s correlations. Results The periods and acrophases of the circadian rest-activity rhythms and the sleep start times did not differ and correlated significantly between the Fitbit Charge HR and the Actiwatch 2. The Fitbit Charge HR tended to overestimate the sleep durations compared with the Actiwatch 2. However, the sleep durations showed high correlation between the two devices for all days. Conclusion We found that the Fitbit Charge HR showed high accuracy in sleep evaluation and circadian rest-activity rhythm measurement when compared with actigraphy for healthy young adults. The results suggest that the Fitbit Charge HR could be applicable on medical research as an alternative tool to actigraphy for sleep evaluation and measurement of the circadian rest-activity rhythm.

Original languageEnglish
Pages (from-to)179-185
Number of pages7
JournalPsychiatry Investigation
Volume14
Issue number2
DOIs
Publication statusPublished - 2017 Mar 1

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Actigraphy
Young Adult
Sleep
Biomedical Research
Sleep-Wake Transition Disorders
Nonparametric Statistics
Fitness Trackers
Wrist
Equipment and Supplies

Keywords

  • Actigraphy
  • Circadian rest-activity rhythm
  • Comparison
  • Sleep
  • Wearable activity tracker

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Biological Psychiatry

Cite this

Comparison of wearable activity tracker with actigraphy for sleep evaluation and circadian rest-activity rhythm measurement in healthy young adults. / Lee, Hyun Ah; Lee, Heon-Jeong; Moon, Joung Ho; Lee, Taek; Kim, Min Gwan; In, Hoh; Cho, Chul Hyun; Kim, Leen.

In: Psychiatry Investigation, Vol. 14, No. 2, 01.03.2017, p. 179-185.

Research output: Contribution to journalArticle

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