Figure 1From: The functional barometer –a self-report questionnaire in accordance with the international classification of functioning, disability and health for pain related problems; validity and patient-observer comparisons The frequency distribution of the pairs of assessments on the Functional Barometer, FB(1.0) of perceived problems with ordinary housework, and on the Balanced Inventory for Spinal disorders (BIS) of perceived pain-related limitations in indoor activities. The agreement diagonal is marked.Back to article page