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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.