Chalder Fatigue Scale.

CFQ-11

What it measures

Physical and mental fatigue (severity over recent weeks); often used as a total fatigue score

Length and format

11 (original 14). 4-point (better than usual to much worse than usual); Likert 0-3 or bimodal 0/0/1/1 scoring (self-report questionnaire)

Language versions

Many languages (widely used in CFS/ME and general populations)

Normative data

No normative data held in our reference library for this instrument. That is a statement about our library, not about the published literature.

Licence

open with attribution

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Reference

Chalder, T., et al. (1993). Development of a fatigue scale. Journal of Psychosomatic Research, 37(2), 147-153.