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. 1991 Mar;36(3):291-8.
doi: 10.1016/0165-1781(91)90027-m.

Validity and reliability of a scale to assess fatigue

K A Lee  1 , G Hicks, G Nino-Murcia
Affiliations

Validity and reliability of a scale to assess fatigue

K A Lee et al. Psychiatry Res. 1991 Mar.

Abstract

A visual analogue scale to evaluate fatigue severity (VAS-F) was developed and tested in a sample of 75 healthy individuals and a sample of 57 patients undergoing medical evaluation for sleep disorders. The scale consists of 18 items related to fatigue and energy, has simple instructions, and is completed with minimal time and effort. The VAS-F compares favorably with the Stanford Sleepiness Scale and the Profile of Mood States, and its internal consistency reliabilities are high. Healthy subjects demonstrated significant differences between their evening and morning scores on the VAS-F, while sleep-disordered patients did not.

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Comment in

  • Fatigue scale lacks adequate validation.
    Chambers MJ, Docktor BJ. Chambers MJ, et al. Psychiatry Res. 1993 Feb;46(2):207-10. doi: 10.1016/0165-1781(93)90022-9. Psychiatry Res. 1993. PMID: 8483979 No abstract available.

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