N = 145 | |||||
---|---|---|---|---|---|
No. of items per scale | Convergent validity (range of correlations) | Discriminative validity (range of correlations) | Scaling successa | Scaling success rateb | |
Physical functioning | 9 | 0.31–0.72 | 0.14–0.63 | 36/36 | 100.0% |
Physical symptoms | 10 | 0.34–0.62 | 0.17–0.59 | 32/40 | 80.0% |
Emotional functioning | 12 | 0.35–0.73 | 0.07–0.60 | 46/48 | 95.8% |
Social functioning | 5 | 0.67–0.74 | 0.27–0.61 | 20/20 | 100.0% |
Cognitive functioning | 9 | 0.55–0.77 | 0.08–0.64 | 33/36 | 91.7% |
Physical health summary | 19 | 0.26–0.66 | 0.16–0.56 | 17/19 | 89.5% |
Psychosocial health summary | 26 | 0.34–0.70 | 0.10–0.57 | 24/26 | 92.3% |