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Relationships of Fear, Anxiety, and Depression With Physical Function in Patients With Knee Osteoarthritis
Archives of Physical Medicine and Rehabilitation, 11/06/09

Scopaz KA et al. – Higher anxiety was related to poorer function on the Western Ontario and McMaster Universities (WOMAC) Osteoarthritis Index physical function. Both high anxiety and fear–avoidance beliefs were related to poorer function on the Lower Extremity Function Scale (LEFS) and Knee Outcome Survey–Activity of Daily Living Scale. There was no association between the psychologic variables and the Get Up and Go test. The anxiety x depression interaction was associated with the LEFS. Anxiety and fear–avoidance beliefs are associated with self–report measures of function in patients with knee OA. Depression may influence scores on the LEFS under conditions of low anxiety.

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