Table 1.

Related works evaluating pedometer algorithm accuracy categorized by variable examined. The extent to which the variable affects accuracy is reported. Prior works have not examined regularity of gait as a variable, however this work finds that it contributes significantly to error.

Variable Examined	Citation	Error Range Found
Location worn	[22,23,24,25,26,27]	0.5–10.8%
Device model or algorithm	[23,24,28,29,30,31]	0.3–39.2%
Walking speed	[23,24,25,26,28,30,32,33,34]	0.2–96.0%
Age	[32]	3.0–19.0%
Gait aids	[35]	2.8–91.3%
Participant weight	[32]	6.6–14.7%
Type of surface	[33,34,36]	0.2–5.5%
Distance	[31]	5.4–39.18%
Regularity of gait	Our work	5–466%