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Do patients consider computer-adaptive measures more appropriate than static questionnaires?

Eva-Maria Gamper1, Caroline Martini2, Morten Aagaard Petersen3

  • 1Innsbruck Institute of Patient-centered Outcome Research (IIPCOR), Dr. Stumpf Strasse 56, 6020, Innsbruck, Austria.

Journal of Patient-Reported Outcomes
|January 30, 2019
PubMed
Summary

Computer-adaptive tests (CAT) were perceived as more appropriate for assessing physical functioning in cancer patients. However, static questionnaires were preferred for emotional functioning, indicating domain-specific patient preferences for health state assessments.

Keywords:
Computer-adaptive testsEORTC CATEORTC QLQ-C30Mixed methodsPatient-reported outcomes

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Area of Science:

  • Health outcomes research
  • Psychometrics
  • Cancer care quality

Background:

  • Computer-adaptive tests (CAT) offer personalized health assessments, unlike static questionnaires.
  • CATs are known to improve measurement precision and reduce assessment time.
  • Patient perception of question appropriateness is a key factor in CAT acceptance.

Purpose of the Study:

  • To investigate patient perceptions of appropriateness between CAT and static questionnaires.
  • To compare the European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire Core 30 (EORTC QLQ-C30) CAT measures against its static version.
  • Focus on Physical Functioning (PF) and Emotional Functioning (EF) domains.

Main Methods:

  • Comparative study using EORTC QLQ-C30 and its CAT versions.
  • Cancer patients completed both questionnaire types.
  • Cognitive interviews assessed patient perceptions of item appropriateness for their health state.

Main Results:

  • Patients found CAT items more appropriate for Physical Functioning (PF) (56.8% vs. 15.9%).
  • Patients preferred static EORTC QLQ-C30 items for Emotional Functioning (EF) (54.5% vs. 4.5%).
  • Reasons for CAT preference in PF included better item-health state matching and wording.

Conclusions:

  • CAT measures demonstrated better patient-reported appropriateness for Physical Functioning.
  • No significant difference in perceived appropriateness was found for Emotional Functioning.
  • Patient preferences for assessment tools vary by health domain.