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Arch Phys Med Rehabil. 2002 Nov;83(11):1579-84.

Scaling of the revised Oswestry low back pain questionnaire.

Author information

1
Department of Physical Medicine and Rehabilitation, University of Cincinnati College of Medicine, 202 Goodman Drive, Suite 275, Cincinnati, OH 45267-0840, USA.

Abstract

OBJECTIVE:

To evaluate the measurement properties of the Revised Oswestry Disability Questionnaire (RODQ) by using rating scale analyses.

DESIGN:

Calibration of item responses by using a data set.

SETTING:

Four outpatient therapy clinics in the northeastern United States.

PATIENTS:

Convenience sample of 95 community-dwelling adults exhibiting mild to severe low back pain-related disability (LBP-D).

INTERVENTIONS:

Not applicable.

MAIN OUTCOME MEASURE:

The RODQ.

RESULTS:

Several Rasch analyses were performed, with 1 item deleted and 2 response categories collapsed, creating a better test without increased error. A schema for item administration and evaluation was also developed.

CONCLUSIONS:

By using the abbreviated scale, suggested item order, and predicted responses, abbreviated versions of the instrument can be applied to measure LBP-D more efficiently.

PMID:
12422329
[Indexed for MEDLINE]

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