Comparison of Pedometer and Accelerometer Measures of Physical Activity in Preschool Children

in Pediatric Exercise Science

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Ilse De Bourdeaudhuij
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In this study, daily step counts were recorded for 4 consecutive days in 129 four- and five-year-old children. To compare daily Yamax Digiwalker step counts with minutes of engagement in moderate to vigorous physical activity (MVPA), concurrent accelerometer data were collected in a random subsample (n = 76). The average daily step count was 9,980 (± 2,605). Step counts and MVPA minutes were strongly correlated (r = .73, p < .001). The daily step count of 13,874, equating to 1-hr MVPA engagement, was reached by 8% of the children. Daily step counts in preschool children give valid information on physical activity levels—daily step counts in preschoolers are low.

The authors are with the Dept. of Movement and Sports Sciences, Ghent University, 9000 Ghent, Belgium.

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