Function and the patient with chronic low back pain

Strong, Jenny, Ashton, Roderick and Large, Robert G. (1994) Function and the patient with chronic low back pain. Clinical Journal of Pain, 10 3: 191-196. doi:10.1097/00002508-199409000-00004

Author Strong, Jenny
Ashton, Roderick
Large, Robert G.
Title Function and the patient with chronic low back pain
Journal name Clinical Journal of Pain   Check publisher's open access policy
ISSN 0749-8047
Publication date 1994-09
Sub-type Article (original research)
DOI 10.1097/00002508-199409000-00004
Volume 10
Issue 3
Start page 191
End page 196
Total pages 6
Place of publication Philadelphia, PA, United States
Publisher Lippincott Williams & Wilkins
Language eng
Formatted abstract
Objective: To undertake a comparative examination of the reliability and validity of two frequently used self-report measures of functional disability, the Pain Disability Index (PDI) and the Oswestry Low Back Pain Disability Questionnaire (OLBPDQ).

Design: A descriptive ex-post facto design was used in the study.

Setting: Pain clinics and neurosurgical units at three metropolitan hospitals. Subjects: One hundred patients with chronic low back pain of noncancer origin were administered the two questionnaires as part of a larger questionnaire battery.

Results: Acceptable internal consistency values of 0.76 for the PDI and 0.71 for the OLBPDQ were obtained. A correlation of r = 0.63 was found between the PDI and the OLBPDQ, supporting the concurrent validity of the two scales. Both the scales were found to be correlated to the Beck Depression Inventory scores (PDI, r = 0.42; OLBPDQ, r = 0.39), with higher disability associated with greater depression. Only the total PDI score was found to be sensitive to functional status differences within the patient sample.

Conclusions: These findings support other recent work in favor of the PDI. The PDI had a slightly higher internal consistency and was more sensitive than the OLBPDQ.
Keyword Pain disability index
Chronic pain
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Health and Rehabilitation Sciences Publications
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Created: Wed, 09 Mar 2011, 13:21:43 EST