Table 3. Pearson’s correlation coefficient (r) between the absolute differences and the individual means (n = 62). Variable Xiaomi Mi Band 2 Xiaomi Mi Band 3 Xiaomi Mi Band 4 Xiaomi Mi Band 5 Steps (n) 0.38‡ 0.40‡ 0.50†  0.45†  Slow pace walking (min)a 0.68†  0.65†  0.66†  0.70†  Brisk pace walking (min)b 0.07 0.16 0.09 0.00 Slow-brisk pace walking (min)c 0.56†  0.57†  0.52†  0.53†  MVPA (min) 0.51†  0.64†  0.37‡ 0.37‡ Total physical activity (min) 0.66†  0.64†  0.64†  0.65†  MVPA = Moderate-to-vigorous physical activity a Calculated with the accelerometer-measured light physical activity (min) b Calculated with the accelerometer-measured moderate-to-vigorous physical activity (min) c Calculated with the accelerometer-measured total physical activity (min). * p < 0.05 ‡ p < 0.01 †  p < 0.001