Reliability and validity of ten consumer activity trackers

Table 1 Intraclass correlation coefficients between Test 1 and Test 2 of the treadmill walking test (N = 30)

Activity tracker	Intraclass Correlation Coefficient	95 % confidence Interval
Optogait	0.92**	0.85 –0.96
ActivPAL	0.96**	0.90 –0.99
Lumoback	0.90**	0.79 – 0.95
Fitbit Flex	0.81**	0.64 –0.91
Jawbone UP	0.83**	0.66 –0.91
Nike+ Fuelband	0.53**	0.22 –0.75
Misfit Shine	0.86**	0.73 –0.93
Withings Pulse	0.92**	0.83 –0.96
Fitbit Zip	0.90**	0.80 –0.95
Omron	0.14	−0.24 –0.47
Digiwalker	0.71**	0.47 –0.86
Moves app	0.37*	0.02 –0.64

ISSN: 2052-1847