Item set | n | Population | Total number of items | Number of clinically relevant items | Number of items after analysis | Cronbach's alpha coefficient | Number of latent roots > 1 | Variance explained by a single factor |
---|---|---|---|---|---|---|---|---|
A | 235 | Chronic pain | 88 | 58 | 39 | 0.94 | 3 | 64% |
B | 127 | Stroke | 21 | 19 | 14 | 0.92 | 1 | 77% |
C | 179 | RC + PD* | 80 | 52 | 32 | 0.96 | 2 | 77% |
D | 164 | RC + PD* | 80 | 54 | 41 | 0.96 | 2 | 73% |
E | 157 | RC + PD* | 80 | 55 | 43 | 0.97 | 3 | 72% |
F | 140 | RC + PD* | 80 | 55 | 36 | 0.96 | 3 | 75% |
All | 1002 | Â | 170 | 115 | 78 | 0.98 | 5 | 77% |