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The frequency distribution of nonwear time intervals misclassified by the current algorithm (with the default time window 60-min) during waking period for adults (A) and youth (B). The thresholds with 100 (current default), 50, 25 and 0 counts/min are presented. The percents of subjects having at least one misclassified time interval with lengths of ≥ 60-min are also presented.
