Table 4.
Construct validity of the LLFDI-F
| Manual Wheelchair-users (n = 26) (mean ± sd) | Power Wheelchair-users (n = 14) (mean ± sd) | U-value | |
|---|---|---|---|
| Participation Component | |||
| Frequency Dimension | |||
| Social Role: | 44.27 ± 9.99 | 41.30 ± 9.12 | 144.50 |
| Personal Role: | 52.98 ± 13.94 | 43.76 ± 9.55 | 112.50* |
| Overall: | 48.12 ± 7.11 | 43.82 ± 5.85 | 119.50 |
| Limitation Dimension | |||
| Instrumental Role: | 55.96 ± 15.13 | 45.33 ± 15.47 | 113.00* |
| Management Role: | 81.53 ± 13.12 | 76.40 ± 16.48 | 147.50 |
| Overall: | 59.62 ± 11.92 | 52.07 ± 11.94 | 117.50 |
| Activity Component | |||
| Upper Extremity: | 75.86 ± 18.60 | 33.81 ± 27.86 | 43.00* |
| Basic Lower: | 43.55 ± 7.95 | 30.71 ± 12.53 | 55.50* |
| Advanced Lower: | 27.49 ± 10.05 | 34.59 ± 2.04 | 89.50* |
| Overall: | 42.01 ± 5.82 | 35.39 ± 5.33 | 68.00* |
Note: Higher scores indicate more participation frequency, fewer participation limitations, and more functioning; differences between groups were evaluated with Mann-Whitney U tests at time 1.
*
p ≤ 0.05