Table 5.

Difference and agreement between visually counted steps and steps from each monitor.

Monitor	Mean difference (95% CI), steps	p-value	95% Limits of agreement, steps
Fitbit Alta	−302.84 (-483.32, −122.36)	0.002	−1036.8, 431.1
Fitbit Zip	−6.16 (−181.05, 168.73)	0.942	−717.4, 705.0
Garmin Vivofit 4	−251.05 (-375.15, −126.95)	<0.001	−755.7, 253.6
Yamax SW200 Digi-walker pedometer	119.37 (−32.46, 271.19)	0.116	−498.0, 736.8
Letscom	−390.00 (−541.65, −238.35)	<0.001	−1006.7, 226.7
activPAL3μa	277.31 (165.72, 388.90)	<0.001	−133.1, 687.8

Mean difference calculated as manually counted total steps minus monitor total steps.

^an = 16.