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Table 2 Accelerometer derived outcomes. [Mean ± SD or Median (IQR)]

From: Minimum accelerometer wear-time for reliable estimates of physical activity and sedentary behaviour of people receiving haemodialysis

  7 Days Dialysis Non-dialysis Dialysis v Non-dialysis
Actigraph GT3x (n = 51) (n = 63) (n = 54)  
 Wear time (min) 798.8 ± 103.1 863.7 ± 124.9 750.2 ± 111.8 t (50) = 11.40 p < 0.001
 Sedentary (%) 83.4 ± 8.9 86.4 ± 6.6 81.2 ± 11.0 t (50) = 6.021 p < 0.001
 Total PA (%) 16.6 ± 8.9 13.6 ± 6.6 18.8 ± 11.0 t (50) = − 6.021 p < 0.001
 MVPA (%) 0.9 (0.3, 2.3) 0.7 (0.3, 1.4) 0.9 (0.2, 3.0) Z = − 3.21 p = 0.001
 Steps/day 2303 (1048, 3876) 1935 (959, 2666) 2370 (1115, 4391) Z = − 3.05 p = 0.002
 Steps/min 2.8 (1.5, 5.0) 2.2 (1.4, 3.6) 3.3 (1.5, 5.4) Z = − 4.04 p < 0.001
 Triaxial cpm 303 (176, 397) 233(151, 327) 322 (203, 473) Z = − 5.54 p < 0.001
ActivPAL (n = 44) (n = 55) (n = 47)  
 Wear (min) 801.7 ± 107.6 856.51 ± 134.8 745.05 ± 124.0 t (43) = 5.565 p < 0.001
 Sit/Lie (%) 74.89 ± 12.07 81.7 ± 9.5 70.0 ± 15.9 t (43) = 6.046 p < 0.001
 Stand (%) 25.1 ± 12.1 18.3 ± 9.5 30.0 ± 15.9 t (43) = − 6.047 p < 0.001
 Transitions/hour 2.6 ± 0.8 2.1 ± 0.7 2.9 ± 1.0 t (43) = − 7.568 p < 0.001
 Steps/day 3242 (1909, 4615) 2189 (1493, 3577) 3594 (2055, 5854) Z = − 3.769 p < 0.001
 Steps/min 4.2 (2.5, 6.1) 2.76 (1.8, 3.7) 4.9 (2.6, 8.3) Z = − 4.621 p < 0.001
 EE (METs/min) 1.37 (1.33, 1.42) 1.34 (1.31, 1.36) 1.40 (1.33, 1.49) Z = − 4.831 p < 0.001
  1. MVPA Moderate to vigorous physical activity; EE Energy expenditure; cpm Counts per minute
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