Validation of Omron Pedometer and Yamax DigiWalker against criterion hand tally

C. Tangney*, K. M. Carlson, M. J. Kwasny, S. Rockway, B. Staffileno

*Corresponding author for this work

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

Aim. This study was designed to assess the criterion-related validity of the Omron HJ-105 and the DigiWalker 651 pedometers against the criterion hand tally counter and the StepWatch accelerometer. Methods. Forty-three female women aged 20 to 60 years wore Omron HJ-105 and the DigiWalker 651 pedometers on the interior hip, exterior hip and ankle along with the StepWatch accelerometer on the ankle while walking on a treadmill at 1 mph twice and then at 3 mph for two trials. Results. At 1 mph, the StepWatch had the lowest percent error (7%). At 3 mph, the Omron worn at the ankle had the highest percent error (34%) and the DigiWalker worn at the exterior hip had the lowest percent error (5%). The greatest variability was seen with the Omron at both 1 mph (interior hip, mean difference ± SEM, -64.6 ± 18.6 counts) and 3 mph trials (ankle, 108.1 ± 12.6 counts). Conclusion. At the slower speed, the DigiWalker at the ankle is the most cost-effective and accurate device for use. To maximize accuracy in step counting, knowledge of usual walking speed should influence the choice of pedometer and where it should be worn.

Original languageEnglish (US)
Pages (from-to)93-102
Number of pages10
JournalGazzetta Medica Italiana Archivio per le Scienze Mediche
Volume170
Issue number2
StatePublished - Apr 1 2011

Keywords

  • Acceleration
  • Motor activity
  • Walking speed

ASJC Scopus subject areas

  • Medicine(all)

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