Table 7. Comparability of the Xiaomi Mi Band wristbands for estimating daily physical activity recommendations (n = 62).

		10,000 steps			60 min of brisk pace walking			60 min of MVPA
Instrument		P	k		P	k		P	k
Xiaomi Mi Band 2-3	10,000 steps	0.97	0.92†	60 min of brisk pace walking	0.95	0.85†	60 min of MVPA	0.66	0.33‡
Xiaomi Mi Band 2-4		0.97	0.92†		0.95	0.86†		0.69	0.35‡
Xiaomi Mi Band 2-5		0.98	0.96†		0.95	0.86†		0.55	0.15
Xiaomi Mi Band 3-4		0.94	0.84†		0.90	0.69†		0.68	0.37‡
Xiaomi Mi Band 3-5		0.95	0.88†		0.90	0.69†		0.69	0.38‡
Xiaomi Mi Band 4-5		0.95	0.88†		0.97	0.90†		0.60	0.25*

MVPA = Moderate-to-vigorous physical activity; P = Proportion of agreement; k = Kappa coefficient.* p < 0.05‡ p < 0.01†  p < 0.001