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The measurement of fatigue: a new instrument
J E Schwartz1, L Jandorf, L B Krupp
1Department of Psychiatry and Behavioral Science, SUNY-Stony Brook 11794-8121.
Journal of Psychosomatic Research
|October 1, 1993
Abstract:
Fatigue is a frequent medical symptom which has not been routinely measured. We present a 29-item fatigue assessment instrument, describe its psychometric properties, and use it to differentiate normal fatigue from fatigue related medical disorders. Differences in fatigue across a variety of medical disorders, the reproducibility of the fatigue instrument, and its convergent validity with other fatigue measures are also described.