A 'short walk' is longer before radiotherapy than afterwards: a qualitative study questioning the baseline and follow-up design.

Health and Quality of Life Outcomes
Elsbeth F Taminiau-BloemMirjam A G Sprangers

Abstract

Numerous studies have indirectly demonstrated changes in the content of respondents' QoL appraisal process over time by revealing response-shift effects. This is the first known study to qualitatively examine the assumption of consistency in the content of the cognitive processes underlying QoL appraisal over time. Specific objectives are to examine whether the content of each distinct cognitive process underlying QoL appraisal is (dis)similar over time and whether patterns of (dis)similarity can be discerned across and within patients and/or items. We conducted cognitive think-aloud interviews with 50 cancer patients prior to and following radiotherapy to elicit cognitive processes underlying the assessment of 7 EORTC QLQ-C30 items. Qualitative analysis of patients' responses at baseline and follow-up was independently carried out by 2 researchers by means of an analysis scheme based on the cognitive process models of Tourangeau et al. and Rapkin & Schwartz. The interviews yielded 342 comparisons of baseline and follow-up responses, which were analyzed according to the five cognitive processes underlying QoL appraisal. The content of comprehension/frame of reference changed in 188 comparisons; retrieval/sampling strategy in 24...Continue Reading

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Citations

Aug 31, 2013·Archives of Physical Medicine and Rehabilitation·Andrea Lynne ChevilleKurt Kroenke
Oct 10, 2012·Diseases of the Colon and Rectum·Heather B NeumanLarissa K Temple
Jan 1, 2013·Multiple Sclerosis and Related Disorders·Carolyn E SchwartzTimothy Vollmer
Nov 18, 2015·Quality of Life Research : an International Journal of Quality of Life Aspects of Treatment, Care and Rehabilitation·Elsbeth F Taminiau-BloemMirjam A G Sprangers
Oct 6, 2016·Quality of Life Research : an International Journal of Quality of Life Aspects of Treatment, Care and Rehabilitation·E MoseholmM D Fetters
Sep 14, 2019·Quality of Life Research : an International Journal of Quality of Life Aspects of Treatment, Care and Rehabilitation·M G E Verdam, F J Oort
Oct 28, 2020·Journal of Patient-reported Outcomes·Carolyn E SchwartzBruce D Rapkin
Jul 31, 2021·Quality of Life Research : an International Journal of Quality of Life Aspects of Treatment, Care and Rehabilitation·Janneke van RoijJohn Gelissen

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