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. Author manuscript; available in PMC: 2016 Oct 24.
Published in final edited form as: J Phys Act Health. 2014 Sep 10;12(1):132–138. doi: 10.1123/jpah.2013-0006

Table 2.

Percentage of Monitor Time with Zero Steps or Counts (mean ± SD)

Sedentary Behavior Non-wear
SAM Steps 77.4% ± 14.5% 99.3% ± 3.1%*
AC Steps 94.0% ± 3.4% 96.3% ± 5.7%*
AC Activity Counts 72.8% ± 16.1% 94.0% ± 7.7%*
AH Activity Counts 31.6% ± 21.0% 86.5% ± 20.0%*
*

p≤0.001 compared to sedentary behavior; SD = Standard Deviation, SAM = Stepwatch Activity Monitor, AC = Actical, AH = Actiheart