Skip to main content

Advertisement

Table 6 Agreement parameters

From: The reliability of postural balance measures in single and dual tasking in elderly fallers and non-fallers

  Vision Task Rater 1/1st Mean (SD) Rater 1/2nd Mean (SD) Rater 2 Mean (SD) Test -retest LoA Test-retest SDD Interrater LoA Inter-rater SDD
Max-ML (cm) Vision Single 0.61 (0.28) 0.61 (0.28) 0.57 (0.24) 0.00 ± 0.37 0.37 0.04 ± 0.34 0.34
   Dual 0.95 (0.65) 0.89 (0.48) 0.89 (0.54) 0.06 ± 0.85 0.85 0.00 ± 0.72 0.72
  No-Vision Single 0.69 (0.30) 0.64 (0.23) 0.66 (0.26) 0.05 ± 0.38 0.37 -0.03 ± 0.35 0.35
   Dual 0.92 (0.43) 0.86 (0.41) 0.80 (0.37) 0.06 ± 0.56 0.56 0.06 ± 0.57 0.57
RMS-ML (cm) Vision Single 0.24 (0.09) 0.25 (0.10) 0.23 (0.09) -0.01 ± 0.13 0.12 0.02 ± 0.10 0.09
   Dual 0.39 (0.25) 0.35 (0.16) 0.37 (0.26) 0.03 ± 0.29 0.29 -0.02 ± 0.31 0.32
  No-Vision Single 0.29 (0.15) 0.26 (0.10) 0.26 (0.10) 0.03 ± 0.18 0.18 0.00 ± 0.15 0.15
   Dual 0.36 (0.17) 0.34 (0.17) 0.34 (0.21) 0.02 ± 0.18 0.18 0.00 ± 0.20 0.20
Max-AP (cm) Vision Single 0.85 (0.25) 0.84 (0.33) 0.83 (0.21) 0.01 ± 0.55 0.55 0.01 ± 0.53 0.53
   Dual 1.20 (0.52) 1.15 (0.44) 1.12 (0.39) 0.05 ± 0.81 0.81 0.03 ± 0.70 0.70
  No-Vision Single 1.11 (0.48) 1.04 (0.35) 1.07 (0.32) 0.07 ± 0.70 0.70 -0.03 ± 0.48 0.48
   Dual 1.35 (0.59) 1.27 (0.39) 1.18 (0.35) 0.08 ± 0.87 0.83 0.10 ± 0.55 0.55
RMS-AP (cm) Vision Single 0.36 (0.09) 0.34 (0.12) 0.34 (0.09) 0.01 ± 0.21 0.21 0.00 ± 0.19 0.20
   Dual 0.46 (0.18) 0.45 (0.15) 0.45 (0.16) 0.00 ± 0.31 0.30 0.00 ± 0.32 0.32
  No-Vision Single 0.44 (0.15) 0.41 (0.12) 0.43 (0.11) 0.03 ± 0.20 0.20 -0.02 ± 0.16 0.15
   Dual 0.50 (0.20) 0.48 (0.13) 0.45 (0.13) 0.02 ± 0.30 0.29 0.03 ± 0.18 0.18
MV (cm/s) Vision Single 1.34 (0.57) 1.31 (0.47) 1.24 (0.35) 0.03 ± 0.48 0.48 0.08 ± 0.55 0.55
   Dual 1.83 (0.74) 1.75 (0.60) 1.76 (0.64) 0.08 ± 0.75 0.75 -0.01 ± 0.69 0.68
  No-Vision Single 1.82 (0.91) 1.64 (0.64) 1.73 (0.86) 0.18 ± *0.90 0.98* -0.09 ± *0.89 0.93*
   Dual 2.22 (1.33) 2.09 (0.74) 2.10 (0.90) 0.14 ± 1.21 1.21 -0.01 ± 0.92 0.92
AoE (cm2) Vision Single 1.64 (0.99) 1.58 (1.13) 1.46 (0.81) 0.06 ± 1.48 1.48 0.12 ± 1.61 1.61
   Dual 3.78 (4.43) 3.27 (2.54) 3.34 (3.50) 0.51 ± *5.59 2.62* -0.07 ± *4.25 2.92*
  No-Vision Single 2.45 (1.87) 2.09 (1.26) 2.21 (1.33) 0.36 ± 2.40 2.40 -0.12 ± 2.10 2.11
   Dual 3.66 (3.17) 3.18 (2.22) 3.00 (2.53) 0.48 ± 3.75 3.75 0.19 ± 2.89 2.89
  1. * = log transformed