Table 3.
Comparison on reliability and construct validity among different versions of OSS
| Chinese (n = 121) | English (n = 111) | Dutch (n = 103) | German (n = 94) | Italian (n = 140) | Turkish (n = 84) | Norwegian (n = 74) | Danish (n = 102) | Korean (n = 105) | |
|---|---|---|---|---|---|---|---|---|---|
| Reliability | |||||||||
| Cronbach’s α | 0.92 | 0.89-0.92 | 0.92 | 0.98 | 0.95 | 0.92 | 0.87 | 0.93 | 0.91 |
| ICC (95 % CI) | 0.97 (0.94-0.98) | NA | 0.98 (0.96-0.99) | NA | 0.97 | 0.99 (0.93-0.99) | 0.83 (0.73-0.90) | 0.98 | 0.95 (0.91-0.98) |
| Construct validity | |||||||||
| VAS | 0.70 | NA | NA | NA | NA | NA | NA | NA | 0.34- 0.45 |
| CMSOS | 0.66 | 0.74 | 0.64 | 0.60 | 0.73 | NA | NA | NA | 0.42- 0.68 |
| SF-36 | |||||||||
| PF | 0.65 | 0.61 | 0.68 | 0.62 | 0.74 | 0.63 | NA | NA | NA |
| RP | 0.45 | 0.41 | 0.46 | 0.56 | 0.66 | 0.38 | NA | NA | NA |
| BP | 0.53 | 0.66 | 0.56 | 0.76 | 0.58 | 0.74 | NA | NA | NA |
| VT | 0.36 | 0.52 | 0.20 | 0.49 | 0.49 | 0.44 | NA | NA | NA |
| SF | 0.42 | 0.55 | 0.25 | 0.45 | 0.64 | 0.49 | NA | NA | NA |
| RE | 0.23 | 0.37 | 0.38 | 0.27 | 0.55 | 0.33 | NA | NA | NA |
| MH | 0.28 | 0.39 | 0.15 | 0.54 | 0.56 | 0.42 | NA | NA | NA |
| GH | 0.39 | 0.34 | 0.10 | 0.39 | 0.40 | 0.39 | NA | NA | NA |
ICC intra-class coefficient, VAS visual analogue scale, CMSOS Constant-Murley shoulder outcome score, PF physical functioning, RP role limitations due to physical health, BP bodily pain, GH general health perception, SF social functioning, RE role limitations due to emotional problems, VT vitality; and MH mental health, NA not available