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Table 2 Mean error step scores and limits of agreement during treadmill walking protocol

From: Accuracy of uploadable pedometers in laboratory, overground, and free-living conditions in young and older adults

Pedometer/Group 53.6 m/min 67.0 m/min 80.4 m/min 93.8 m/min 107.2 m/min
OM: 20–49 yrs −5.4 (−13.4, 2.5) −2.7 (−6.4, 1.0) 0.8 (−2.9, 4.4) −6.6 (−17.7, 4.5) 8.4 (0.2, 16.6)
OM: 50–80 yrs 9.7 (−4.9, 24.3) −4.5 (−18.2, 9.1) −0.2 (−2.2, 1.8) 1.9 (−0.9, 4.7) 12.4 (−1.3, 26.2)
LC: 20–49 yrs 31.4* (14.5, 48.3) 3.2 (−0.3, 6.7) 0.5 (−0.5, 1.6) −1.2 (−5.4, 3.0) 0.3 (−0.6, 1.1)
LC: 50–80 yrs 64.5* (45.6, 83.4) 15.1* (6.1, 24.0) 3.2* (0.6, 5.9) 0.3 (−2.6, 3.1) −0.2 (−1.5, 1.1)
  1. Note. OM = Omron HJ-720ITC, LC= Kenz Lifecorder EX. Negative scores represent an overestimation of steps whereas positive scores represent an underestimation of steps; * significantly different than zero p<0.01.