Table 1.

Intraclass correlation coefficient (ICC) of the measurements by different wearable devices

Items	Intraclass correlation coefficient	95% CI
Number of steps	.89	0.83-0.94
Distance	.84	0.75-0.91
Activity duration	.59	0.44-0.75
Total EEa	.59	0.37-0.77
Activity EE	.57	0.41-0.74
Sleep duration	.30	0.13-0.52
Deep sleep duration	.27	0.08-0.50

^aEE: energy expenditure.