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Activity measurement using a uniaxial electronic pedometer was compared to a triaxial accelerometer and behavioral observation measurements for ten 7−12-year-old children studied during high intensity recreational and low intensity classroom periods. Correlations between all measures were significant for recreational and classroom periods combined, and recreational periods alone ( r ’s > .90, p < .001). Correlations between the pedometer and accelerometer were significantly lower during classroom versus recreational activities (0.98 vs. 0.50, p < .05). This may be due in part to the uniaxial pedometer being sensitive only to vertical and not back and forward or side to side movement.
Kilanowski et al. (Mon,) studied this question.
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