Tracking Steps on Apple Watch at Different Walking Speeds

Praveen Veerabhadrappa, Matthew Duffy Moran, Mitchell D. Renninger, Matthew B. Rhudy, Scott B. Dreisbach, Kristin M. Gift

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

Points: Question: How accurate are the step counts obtained from Apple Watch? Findings: In this validation study, video steps vs. Apple Watch steps (mean ± SD) were 2965 ± 144 vs. 2964 ± 145 steps; P < 0.001. Lin’s concordance correlation coefficient showed a strong correlation (r = 0.96; P < 0.001) between the two measurements. There was a total error of 0.034% (1.07 steps) for the Apple Watch steps when compared with the manual counts obtained from video recordings. Meaning: Our study is one of the initial studies to objectively validate the accuracy of the step counts obtained from Apple watch at different walking speeds. Apple Watch tested to be an extremely accurate device for measuring daily step counts for adults.

Original languageEnglish (US)
Pages (from-to)795-796
Number of pages2
JournalJournal of general internal medicine
Volume33
Issue number6
DOIs
StatePublished - Jun 1 2018

All Science Journal Classification (ASJC) codes

  • Internal Medicine

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