Table 2 Reliability and internal consistency of the different SF-36 dimensions (Cronbach’s Alpha) [29]
Healthy population - normal values [25] | cnsLBP patients | |||
|---|---|---|---|---|
Mean | Standard deviation | p | ||
General health (GH) | 64 | 55.69 | 20.86 | < 0.01 |
Bodily pain (BP) | 78 | 64.24 | 23.07 | < 0.01 |
Social function (SF) | 80 | 76.86 | 23.77 | 0.24 |
Mental health (MH | 71 | 67.34 | 19.38 | < 0.01 |
Vitality (VT) | 70 | 53.46 | 19.91 | < 0.01 |
Role emotional (RE) | 78 | 73.69 | 37.24 | 0.02 |
Role physical (RP) | 79 | 63.94 | 38.71 | < 0.01 |
Physical function (PF) | 91 | 74.67 | 23.19 | < 0.01 |