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ARTICLE
Year : 2017  |  Volume : 6  |  Issue : 2  |  Page : 1-10

Using Wireless Pedometers to Measure Children's Physical Activity: How Reliable is The Fitbit Ziptm?


1 Stephen F. Austin State University, Nacogdoches, Texas, United States
2 University of North Carolina at Charlotte, North Carolina, United States
3 Lone Star College at University Park, Houston, Texas, United States

Correspondence Address:
Erik Jon Byker
University of North Carolina at Charlotte, North Carolina
United States
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Source of Support: None, Conflict of Interest: None


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The purpose of this study is to examine the reliability of wireless pedometers in measuring elementary school children's physical activity. Activity measurement using a wireless pedometer Fitbit ZipTM was compared to activity measurement using Yamax Digi-WalkerTM SW701 for a group of randomly selected 25 children in Grades 3, 4, and 5. Fitbit ZipTM wireless pedometers were found to have an appropriate degree (Nunnally & Bernstein, 1994) of accuracy and reliability compared to the Yamax Digi-WalkerTM SW701 pedometer. The Fitbit ZipTM wireless pedometer collected more step counts than the Yamax Digi-WalkerTM SW701 pedometer; however, the difference was not statistically significant. Participants reported that they preferred wearing the Fitbit ZipTM to the Yamax Digi-WalkerTM SW701 because the Fitbit ZipTM was more comfortable to wear and less likely to fall off. Participants also reported being more motivated to move while wearing the Fitbit ZipTM.


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