Psychometric properties of the icelandic version of the revised edmonton symptom assessment scale

Halla Gretarsdottir*, Nanna Fridriksdottir, Sigridur Gunnarsdottir

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


Context The Edmonton Symptom Assessment Scale (ESAS) is a symptom assessment tool commonly used in both research and clinical practice. A revised version of the tool (ESAS-r) was published in 2011. Objectives To evaluate the psychometric properties and feasibility of the Icelandic version of ESAS-r. Methods The study was cross-sectional, and 359 cancer patients were screened for participation at inpatient and outpatient settings. The ESAS-r, M. D. Anderson Symptom Inventory (MDASI), demographic and feasibility questions were completed by 143 patients. The psychometric properties assessed for ESAS-r were internal consistency (Cronbach alpha) and concurrent validity (Pearson correlation). Results Reliability analysis of the ESAS-r showed good internal consistency (Cronbach alpha = 0.85). Validity analysis showed significant moderate-to-strong correlations between seven matching symptom scores on the ESAS-r and MDASI, ranging from r = 0.64-0.86. The majority of patients rated both tools easy to understand, but on the whole, significantly more patients found ESAS-r easier to complete and preferred its use over the MDASI. Conclusion The Icelandic version of ESAS-r is a valid and reliable tool for symptom screening in Icelandic cancer patients in both inpatient and outpatient settings.

Original languageEnglish
Pages (from-to)133-137
Number of pages5
JournalJournal of Pain and Symptom Management
Issue number1
Publication statusPublished - 1 Jan 2016

Bibliographical note

Publisher Copyright:
© 2016 American Academy of Hospice and Palliative Medicine.

Other keywords

  • Cancer
  • Edmonton Symptom Assessment Scale
  • ESAS
  • ESAS-r
  • psychometric properties
  • symptom assessment


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