Table 5.
Directed group comparisons of change in the movement tasks between T2 and T3.
| Outcome and analysis | Control | Intervention | Comparison | ||||||||
|
|
Median (range) | Mean (SD) | Median (range) | Mean (SD) | t test (df) | W | P value | r | |||
| Δ box lift lumbar spine | |||||||||||
|
|
ITTa | –3.05 (27.86) | –3.00 (8.61) | 3.37 (45.08) | 3.25 (12.10) | –1.56 (25) | N/Ab | .93 | 0.30 | ||
|
|
PPc | –5.37 (27.80) | –5.05 (10.31) | 6.69 (45.08) | 6.03 (13.00) | –1.93 (15) | N/A | .96 | 0.45 | ||
| Δ box lift hip | |||||||||||
|
|
ITT | 0.31 (31.94) | –0.14 (8.52) | 1.10 (42.64) | 0.43 (12.04) | –0.14 (25) | N/A | .44 | 0.03 | ||
|
|
PP | 2.48 (31.94) | 0.84 (10.21) | –2.27 (42.09) | –2.07 (12.11) | –0.53 (15) | N/A | .70 | 0.14 | ||
| Δ waiter bow lumbar spine | |||||||||||
|
|
ITT | –1.12 (15.20) | –2.50 (5.22) | 1.91 (28.04) | 3.16 (8.22) | –2.15 (25) | N/A | .98 | 0.40 | ||
|
|
PP | –1.12 (15.20) | –2.62 (5.51) | 1.91 (24.28) | 3.07 (7.14) | –1.82 (15) | N/A | .96 | 0.42 | ||
| Δ waiter bow hip | |||||||||||
|
|
ITT | –0.85 (25.43) | 1.50 (6.83) | 1.32 (37.10) | –0.48 (10.33) | N/A | 92 | .53d | 0.01 | ||
|
|
PP | –1.81 (25.43) | 2.46 (8.93) | 1.32 (27.99) | 0.41 (7.94) | N/A | 33 | .41d | 0.07 | ||
aITT: intention-to-treat.
bN/A: not applicable.
cPP: per-protocol.
dWilcoxon rank-sum test.