Table 3. Means (and standard deviations) of spatio-temporal gait parameters for preterm and full-term children in single-, dual-, and triple-task conditions.
| Gait parameters | Preterm | Full Term (N = 44) | |
|---|---|---|---|
| ≤1500g (n = 20) | >1500g (n = 24) | ||
| Gait velocity (cm/s) | |||
| Single-task walking | 126.61 (15.08) | 137.05 (16.73) | 132.31 (17.46) |
| Dual-task walking | |||
| Animals | 100.13 (21.18) | 102.76 (21.76) | 96.87 (20.25) |
| Digits | 97.52 (23.00) | 101.30 (15.04) | 101.86 (20.25) |
| Tray | 92.93 (21.79) | 96.36 (19.31) | 100.38 (22.77) |
| Button | 77.84 (20.11) | 80.89 (18.30) | 82.03 (17.06) |
| Triple-task walking | |||
| Animals/Tray | 81.37 (20.13) | 85.04 (19.74) | 83.43 (19.84) |
| Digits/Tray | 88.89 (21.10) | 90.37 (22.28) | 96.30 (16.42) |
| Digits/Button | 86.08 (19.38) | 89.20 (16.77) | 86.80 (20.32) |
| Cadence (steps/min) | |||
| Single-task walking | 124.15 (11.12) | 122.08 (10.09) | 124.22 (11.37) |
| Dual-task walking | |||
| Animals | 107.40 (15.33) | 105.51 (19.01) | 105.79 (16.70) |
| Digits | 109.60 (14.09) | 107.75 (14.30) | 112.83 (10.86) |
| Tray | 112.28 (12.71) | 111.92 (13.70) | 116.64 (14.04) |
| Button | 100.64 (13.41) | 96.20 (11.50) | 102.38 (12.56) |
| Triple-task walking | |||
| Animals/Tray | 107.97 (14.17) | 101.85 (13.51) | 110.68 (11.82) |
| Digits/Tray | 105.28 (15.44) | 100.47 (14.23) | 104.66 (14.59) |
| Digits/Button | 108.48 (14.68) | 106.67 (14.21) | 109.40 (14.37) |
| Stride length (cm) | |||
| Single-task walking | 125.47 (8.62) | 131.95 (12.48) | 127.91 (12.21) |
| Dual-task walking | |||
| Animals | 114.88 (14.96) | 114.91 (17.41) | 110.35 (12.67) |
| Digits | 108.11 (11.19) | 111.16 (10.42) | 108.41 (11.45) |
| Tray | 100.88 (16.52) | 101.47 (16.46) | 103.10 (18.24) |
| Button | 95.44 (13.37) | 96.86 (14.41) | 95.74 (13.23) |
| Triple-task walking | |||
| Animals/Tray | 95.58 (13.37) | 97.69 (13.97) | 95.35 (15.77) |
| Digits/Tray | 97.35 (11.37) | 98.01 (13.07) | 94.59 (15.82) |
| Digits/Button | 102.77 (13.17) | 101.26 (16.12) | 104.33 (12.44) |
| Single support time (s) | |||
| Single-task walking | 0.39 (0.03) | 0.40 (0.03) | 0.39 (0.03) |
| Dual-task walking | |||
| Animals | 0.43 (0.04) | 0.47 (0.10) | 0.45 (0.09) |
| Digits | 0.43 (0.04) | 0.44 (0.05) | 0.41 (0.03) |
| Tray | 0.45 (0.04) | 0.47 (0.05) | 0.44 (0.05) |
| Button | 0.40 (0.03) | 0.41 (0.04) | 0.39 (0.04) |
| Triple-task walking | |||
| Animals/Tray | 0.42 (0.04) | 0.45 (0.06) | 0.41 (0.04) |
| Digits/Tray | 0.43 (0.05) | 0.44 (0.05) | 0.42 (0.04) |
| Digits/Button | 0.41 (0.04) | 0.42 (0.05) | 0.40 (0.04) |
| Double support time (s) | |||
| Single-task walking | 0.19 (0.03) | 0.18 (0.03) | 0.19 (0.03) |
| Dual-task walking | |||
| Animals | 0.25 (0.06) | 0.25 (0.07) | 0.26 (0.07) |
| Digits | 0.26 (0.07) | 0.25 (0.05) | 0.25 (0.04) |
| Tray | 0.28 (0.07) | 0.27 (0.08) | 0.26 (0.07) |
| Button | 0.33 (0.08) | 0.33 (0.09) | 0.31 (0.07) |
| Triple-task walking | |||
| Animals/Tray | 0.32 (0.09) | 0.31 (0.09) | 0.31 (0.08) |
| Digits/Tray | 0.31 (0.09) | 0.29 (0.08) | 0.30 (0.08) |
| Digits/Button | 0.29 (0.07) | 0.30 (0.08) | 0.27 (0.06) |
Note. Animals = naming animals; Digits = listening to and memorizing digits; Tray = carrying a tray with table tennis balls; Button = unfastening and fastening a button.