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. 2016 Dec 21;11(12):e0168330. doi: 10.1371/journal.pone.0168330

Table 2. Wheelchair Specifications at Baseline.

Specification WSTPa Groupb (n = 53) ECa Groupb (n = 53) P-valuec
Rigid frame 38 (71.7) 30 (57.7) 0.133
Rear anti-tip devices 14 (26.4) 12 (22.6) 0.652
Wheel locks 47 (88.7) 48 (90.6) 0.750
Sling backrest 39 (75.0) 39 (73.6) 0.868
Rigid backrest 14 (26.9) 15 (28.3) 0.874
Foam cushion 13 (24.5) 9 (17.0) 0.338
Air cushion 25 (47.2) 24 (45.3) 0.846
Contour cushion 8 (15.1) 6 (11.5) 0.592
Other cushion 20 (37.7) 21 (40.4) 0.781
Adjustable armrests 11 (20.8) 10 (18.9) 0.807
Desk-length armrests 15 (28.3) 11 (20.8) 0.367
Full-length armrests 9 (17.0) 5 (9.4) 0.251
Removable front rigging 10 (18.9) 13 (24.5) 0.480
Swing-away front rigging 11 (20.8) 11 (20.8) 1.000
One-piece front rigging 40 (75.5) 43 (81.1) 0.480
Adjustable angle footplates 12 (22.6) 15 (28.3) 0.504
Positioning belt 2 (3.8) 1 (1.9) 0.558
Knapsack/backpack 26 (49.1) 19 (36.5) 0.195
Power add on 2 (3.8) 3 (5.7) 0.647

aAbbreviations: EC = Educational Control, WSTP = Wheelchair Skills Training Program.,

bn (%) values are shown.

cp-values are from two-sample t-tests comparing WSTP vs EC.