|  | Range of item correlations |  | |
---|---|---|---|---|
 | No. of items | Item-internal consistency1 | Item-discriminant validity2 | Scale Reliability3 |
SF-36 scale | Â | Â | Â | Â |
Physical Functioning | 10 | 0.55 – 0.81 | 0.14 – 0.55 | 0.93 |
Role Physical | 4 | 0.76 – 0.81 | 0.24 – 0.60 | 0.90 |
Bodily Pain | 2 | 0.80 | 0.32 – 0.67 | 0.87 |
General Health | 5 | 0.47 – 0.77 | 0.22 – 0.57 | 0.82 |
Vitality | 4 | 0.63 – 0.67 | 0.24 – 0.59 | 0.83 |
Social Functioning | 2 | 0.71 | 0.42 – 0.60 | 0.83 |
Role Emotional | 3 | 0.68 – 0.72 | 0.27 – 0.54 | 0.83 |
Mental Health | 5 | 0.54 – 0.69 | 0.15 – 0.57 | 0.82 |