Table 3.
Internal uniform reliability of SF-36 items with domains | Positive correlation between SF-36 domains | ||||||||
---|---|---|---|---|---|---|---|---|---|
Domain | Test-retest reliability n = 50 |
Cronbach's α coefficient n = 1286 |
Domains | ||||||
PF | RP | BP | GH | VT | SF | RE | |||
PF | 0.763* | 0.826 | |||||||
RP | 0.727 | 0.745 | 0.268* | ||||||
BP | 0.726* | 0.793 | 0.302* | 0.323* | |||||
GH | 0.701* | 0.791 | 0.182* | 0.271* | 0.410* | ||||
VT | 0.862* | 0.827 | 0.187* | 0.197* | 0.266* | 0.322* | |||
SF | 0.591 | 0.631 | 0.198* | 0.282* | 0.403* | 0.301* | 0.392* | ||
RE | 0.701 | 0.732 | 0.274* | 0.378* | 0.274* | 0.384* | 0.370* | 0.330* | |
MH | 0.738* | 0.798 | 0.287* | 0.184* | 0.236* | 0.191* | 0.460* | 0.321* | 0.320* |
*P < 0.01. PF, physical function; RP, role limitations due to physical problems; BP, bodily pain; GH, general health; VT, vitality; SF, social function; RE, role limitations due to emotional problems; MH, mental health.