A comparison of cognitive measures in low back pain: statistical structure and clinical validity at initial assessment

@article{Main1991ACO,
  title={A comparison of cognitive measures in low back pain: statistical structure and clinical validity at initial assessment},
  author={Chris J. Main and Gordon Waddell},
  journal={Pain},
  year={1991},
  volume={46},
  pages={287-298}
}
Four cognitive measures--MHLC, PLC, CSQ and PRSS/PRCS--were directly compared in 120 U.K. patients with chronic low back pain. 80% of the individual items in the PLC and 86% in the CSQ had satisfactory test-retest reliability, as had most of the scales of the CSQ and the PLC PC scale. The items and the scales of the MHLC and the PRSS/PRCS had lower reliability. The factor structures of the PLC and the PRSS/PRCS bore close similarity to the original descriptions. The CSQ structure was similar to… CONTINUE READING

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