Research Article

Pain Behaviour Scale (PaBS): An Exploratory Study of Reliability and Construct Validity in a Chronic Low Back Pain Population

Table 4

Agreement between raters about the presence of pain behaviours during the physical performance tests.

TestWeighted kappa value

Trunk flexion0.9
Sit to stand1.0
Timed up and go0.9
Loaded reach0.8
50-foot walk0.9

All values were significant at .