Table 7. Correct response rate (number of words or digits per second) of all testing conditions for participants involved in test-retest reliability experiments [Mean (SD), N = 46].
| Walking task | Single-task Condition | Dual-task Condition | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Assessment session 1 | Assessment session 2 | Assessment session 1 | Assessment session 2 | |||||||
| VF | SS | VF | SS | VF | SS | MT a | VF | SS | MT a | |
| Comfortable Speed | 0.46 (0.15) | 0.46 (0.20) | 0.51 (0.17) | 0.48 (0.22) | 0.45 (0.16) | 0.40 (0.16) | 4 | 0.46 (0.17) | 0.41 (0.18) | 3 |
| Maximal Speed | 0.56 (0.23) | 0.47 (0.21) | 0.59 (0.23) | 0.49 (0.24) | 0.53 (0.21) | 0.45 (0.19) | 3 | 0.58 (0.22) | 0.44 (0.22) | 4 |
| Backward Walking | 0.27 (0.12) | 0.40 (0.17) | 0.29 (0.12) | 0.42 (0.19) | 0.26 (0.12) | 0.33 (0.17) | — | 0.28 (0.13) | 0.34 (0.16) | — |
| Obstacle Course | 0.47 (0.18) | 0.45 (0.19) | 0.53 (0.24) | 0.47 (0.21) | 0.36 (0.14) | 0.37 (0.18) | 13 | 0.42 (0.17)* | 0.39 (0.18) | 5 |
| TUG | 0.44 (0.21) | 0.44 (0.18) | 0.45 (0.18) | 0.47 (0.21) | 0.36 (0.15) | 0.32 (0.16) | 6 | 0.37 (0.17) | 0.34 (0.14) | 2 |
*: significantly different from session 1 (paired t-test, p<0.01).
a Number of participants who spilled water.
MT: manual task; SD: standard deviation; SS: serial 3 subtraction; TUG: timed up-and-go test; VF: verbal fluency.