TABLE 4.
Construct Validity of the SC-LSIQ Compared With the SC-ODI, SCI-RMDQ, SC-TSK, and VAS
| SC-LSIQ | SC-ODI | SC-RM | SC-TSK | VAS | |
|---|---|---|---|---|---|
| SC-LSIQ | 1 | ||||
| SC-ODI | 0.809 (P<0.001) | 1 | |||
| SC-RMDQ | 0.870 (P<0.001) | 0.923 (P<0.001) | 1 | ||
| SC-TSK | 0.945 (P<0.001) | 0.855 (P<0.001) | 0.956 (P<0.001) | 1 | |
| VAS | 0.586 (P<0.001) | 0.851 (P<0.001) | 0.815 (P<0.001) | 0.684 (P<0.001) | 1 |
LSIQ indicates Lumbar Spine Instability Questionnaire; ODI indicates Oswestry Disability Index; RMDQ, Roland-Morris disability questionnaire; SC, simplified Chinese version; TSK, Tampa Scale for Kinesiophobia; VAS, visual analogue scale.