|
Baseline data psychometric analysis |
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| Mean score at baseline (SD) |
Mean score at retest (SD) |
Z value: Mean change (P value) |
Corrected total-item correlation |
Baseline Cronbach's alpha |
Baseline Intra-class correlation |
Test-retest correlation |
|
|
|
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| Emotional |
4.99 (1.35) |
5.21 (1) |
-0.33 (0.74) |
0.54–0.85 |
0.92 |
0.92 (P < 0.001) |
0.42 (P < 0.05) |
| Physical |
5.29 (1.27) |
5.22 (0.99) |
-1.66 (0.09) |
0.44–0.84 |
0.92 |
0.92 (P < 0.001) |
0.38 (P < 0.05) |
| Social |
4.91 (1.31) |
5.11 (0.98) |
-0.47 (0.64) |
0.66–0.87 |
0.94 |
0.93 (P < 0.001) |
031 (P = 0.11) |
| Global |
5 (1.26) |
5.18 (0.95) |
-0.65 (0.51) |
0.32–0.86 |
0.95 |
0.95 (P < 0.001) |
0.50 (P < 0.01) |
Asadi-Lari et al. Health and Quality of Life Outcomes 2003 1:23 doi:10.1186/1477-7525-1-23 |
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