Table 1.
Barthel N = 89 | SIP N = 407 | GO-QOL N = 163 | |
Baseline score (SD, IQR1) | 7.98 (4.52, 5–12) | 5.12 (6.28, 1–7) | 59.32 (24.64, 44–81) |
Follow-up score (SD, IQR) | 14.25 (5.06, 10–19) | 6.13 (7.57, 0–9) | 65.22 (24.17, 50–81) |
Mean change score (SD)2 | 6.27 (3.21) | 1.01 (4.36) | 5.90 (17.13) |
SRM3 | 1.95 | 0.23 | 0.34 |
Chronbach's α time 1 | 0.86 | 0.92 | 0.83 |
Chronbach's α time 2 | 0.89 | 0.94 | 0.84 |
1) Distribution of change scores was approximately normal for all three datasets
2) IQR = interquartile range
3) SRM = Standardized Response Mean (see statistical analysis section)