Test–retest reliability of the DePaul Symptom Questionnaire

Leonard A. Jason*, Suzanna So, Abigail A. Brown, Madison Sunnquist, Meredyth Evans

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

53 Scopus citations


Background: The DePaul Symptom Questionnaire (DSQ) was developed to provide a structured approach for collecting standardized symptomatology and health history information to allow researchers and clinicians to determine whether a patient meets the diagnostic criteria for myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS), myalgic encephalomyelitis (ME), and/or chronic fatigue syndrome (CFS). Purpose: The purpose of this study was to examine the test–retest reliability of the DSQ. Methods: Test–retest reliability of the measure was examined with a sample of 26 adults self-identifying as having either ME/CFS, ME, and/or CFS and 25 adults who did not self-identify as having these illnesses and were otherwise healthy controls. Results: Overall, the majority of items on the DSQ exhibited good to excellent test–retest reliability, with Pearson's or kappa correlation coefficients that were 0.70 or higher. Conclusions: Thus, the present study suggests that the DSQ is a reliable diagnostic measure that can provide a standardized way of examining illness constructs and symptomatology among patients who identify as having ME/CFS, ME, and/or CFS.

Original languageEnglish (US)
Pages (from-to)16-32
Number of pages17
JournalFatigue: Biomedicine, Health and Behavior
Issue number1
StatePublished - Jan 2 2015
Externally publishedYes


  • DePaul Symptom Questionnaire
  • chronic fatigue syndrome
  • myalgic encephalomyelitis
  • myalgic encephalomyelitis/chronic fatigue syndrome
  • reliability

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health
  • Behavioral Neuroscience
  • Medicine (miscellaneous)


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