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SYMPTOMS OF ILLNESS CHECKLIST

Description

We developed the Symptoms of Illness Checklist (SIC) as a measure of general health to be used in the context of psychological research. The SIC comprises 33 self-report symptoms of illness across the major organ systems.

  • Symptom frequency is rated on a scale of 1 (1–3 days over the past two months) to 5 (daily).

  • Symptom severity is rated on a scale of 1 (no interference with daily activities) to 4 (severe interference)


Reliability and Validity

  • Test-retest after one week: Spearman's r = .90

  • Test-retest after two weeks: Spearman's r = .75

  • Cronbach alpha: .86

  • Intraclass coefficient between self- and physician-ratings: .94

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Downloads

The following SIC files may be downloaded and used for research purposes.


Reference

When citing the SIC, please use the following reference:

Stowell, J. R., Hedges, D. W., Ghambaryan, A., Key, C., & Bloch, G. J. (2009). Validation of the Symptoms of Illness Checklist (SIC) as a tool for health psychology research. Journal of Health Psychology, 14(1), 68–77. doi:10.1177/1359105308097947

Adult Students
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