International Journal of Environmental Research and Public Health
International Journal of Environmental Research and Public Health
5 years ago

IJERPH, Vol. 16, Pages 4375: The Choice of Pedometer Impacts on Daily Step Counts in Primary School Children under Free-Living Conditions

IJERPH, Vol. 16, Pages 4375: The Choice of Pedometer Impacts on Daily Step Counts in Primary School Children under Free-Living Conditions
Chiaki Tanaka, Yuki Hikihara, Shigeru Inoue, Shigeho Tanaka
Background: We examined whether daily step counts under free-living conditions differed among four types of pedometers used by primary school children. Methods: In Study one, we compared the Yamax SW-200 (widely used in research) and the Kenz Lifecorder (accelerometer-based pedometer) in 30 children (6–12 years). In Study two, after confirming good correlation between these devices, we used Kenz Lifecorder as the criterion device and compared it with the Yamasa EX-200 (pants pocket-type pedometer) and the Omron Active style Pro (accelerometer-based pedometer) among 48 (7–12 years) or 108 children (7–12 years). Results: In Study one, comparable mean step counts between pedometers were observed. The correlation was strong (r = 0.91); the average difference between these two pedometers was +4.5%. In Study two, the average differences between Kenz Lifecorder and Yamasa EX-200 and Kenz Lifecorder and Omron Active style Pro were −7.9% and −18.2%, respectively, and those were not significantly equivalent according to the two one-sided-tests method. The correlations between Yamasa or Omron Active style Pro and Lifecorder were moderate and strong, respectively. Conclusions: The choice of pedometer had a substantial impact on step counts. A consensus on the appropriate pedometer for quantifying daily step counts is needed for evidence-based recommendations for health promotion.

Publisher URL: https://www.mdpi.com/1660-4601/16/22/4375

DOI: 10.3390/ijerph16224375

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