Table 7. Comparability of the wrist-worn activity trackers for estimating the daily physical activity recommendations during unstructured free-living conditions (n = 51).
| Instrument |
|
10,000 steps |
|
P |
k |
| Samsung Watch Active 2-Apple Watch Series 5 |
10,000 steps |
0.98 |
0.92† |
| Samsung Watch Active 2-Xiaomi Mi Band 5 |
0.96 |
0.85† |
| Apple Watch Series 5-Xiaomi Mi Band 5 |
0.94 |
0.79† |
|
60 min of MVPA |
| P |
k |
| Apple Watch Series 5-Xiaomi Mi Band 5 |
60 min of MVPA |
0.45 |
0.04 |
| Apple Watch Series 5-Xiaomi Mi Band 5a |
0.84 |
0.17* |
| Xiaomi Mi Band 5-Xiaomi Mi Band 5a |
0.37 |
0.00 |
MVPA = Moderate-to-vigorous physical activity; P = Proportion of agreement; k = Kappa coefficient.
a Brisk walking time (min).* p < 0.05 and† p < 0.001.
