Response shift effects on measuring post-operative quality of life among breast cancer patients: a multicenter cohort study

Dabakuyo, Tienhan Sandrine; Guillemin, Françis; Conroy, Thierry; Velten, Michel; Jolly, Damien; Mercier, Mariette; Causeret, S.; Cuisenier, Jean; Graesslin, Olivier; Gauthier, Mélanie; Bonnetain, Franck

doi:10.1007/s11136-012-0135-5

Cited by 46 publications

(46 citation statements)

References 32 publications

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“…Response shift means that people change their frames of reference in the assessment of health [11,12]. Such effects have also been detected in breast cancer patients [13,14]. The most frequently used techniques to detect and quantify response shift effects are the then-test method and structural equation modeling.…”

Section: Introductionmentioning

confidence: 99%

Using Anchoring Vignettes in the Evaluation of Breast Cancer Survivors' Quality of Life

Hinz

2017

Breast Care

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Background: Breast cancer survivors often rate their general health as good even though they experience detriments in functioning and multiple symptoms. The hypothesis of this study is that breast cancer survivors changed their frames of reference for evaluating their own health. Methods: A sample of 308 breast cancer survivors were asked to assess their state of health on a 0-100 scale. In addition, 2 vignettes (fictional persons suffering from various health complaints) were designed. The cancer survivors were asked to assess the health of the characters in these vignettes as well. A sample of the general population (n = 639) served as controls. Results: There were only marginal differences between the cancer survivors (M = 65.8) and the controls (M = 65.5) in how they assessed their own state of health. However, the cancer survivors rated the vignette character with physical problems as being significantly healthier compared to the general population (effect size: d = 0.55). The group differences in the assessment of the vignette character with mental problems was markedly lower (d = 0.12). Conclusions: It is not sufficient to assess the general self-assessed health state of cancer survivors. Anchoring vignettes are a promising tool for use in correcting for response shift effects.

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Section: Introductionmentioning

confidence: 99%

Using Anchoring Vignettes in the Evaluation of Breast Cancer Survivors' Quality of Life

Hinz

2017

Breast Care

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“…It is an unconscious process of recalibration, reconceptualization, and reprioritization of internal standards and references utilized for self-appraisal (Barclay-Goddard, Epstein, & Mayo, 2009). Such shifts have been examined in breast cancer survivors (Dabakuyo et al, 2013), in patients who have had a stroke (Barclay-Goddard, Lix, Tate, Weinberg, & Mayo, 2011), and in the assessment of outcomes after spinal surgery (Schwartz, Sajobi, Lix, Quaranto, & Finkelstein, 2013). Researchers stress adaptation and adjustment are gradual, ongoing processes--a change of life trajectory.…”

Section: Discussion and Implications For Practicementioning

confidence: 99%

Life Satisfaction in Adult Survivors of Childhood Brain Tumors

Crom

Brinkman

et al. 2014

J Pediatr Oncol Nurs

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Adult survivors of childhood brain tumors experience multiple, significant, life-long deficits as a consequence of their malignancy and therapy. Current survivorship literature documents the substantial impact such impairments have on survivors’ physical health and quality of life. Psychosocial reports detail educational, cognitive, and emotional limitations characterizing survivors as especially fragile, often incompetent, and unreliable in evaluating their circumstances. Anecdotal data suggests some survivors report life experiences similar to those of healthy controls. The aim of our investigation was to determine whether life satisfaction in adult survivors of childhood brain tumors differs from that of healthy controls and to identify potential predictors of life satisfaction in survivors. This cross-sectional study compared 78 brain tumor survivors with population–based matched controls. Chi-square tests, t-tests, and linear regression models were used to investigate patterns of life satisfaction and identify potential correlates. Results indicated life satisfaction of adult survivors of childhood brain tumors was similar to that of healthy controls. Survivors’ general health expectations emerged as the primary correlate of life satisfaction. Understanding life satisfaction as an important variable will optimize the design of strategies to enhance participation in follow-up care, reduce suffering, and optimize quality of life in this vulnerable population.

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“…The protocol was approved by the ethics committees (“Comité de Protection des Personnes”). The complete design of this study was extensively described elsewhere [14]. …”

Section: Methodsmentioning

confidence: 99%

Impact of the occurrence of a response shift on the determination of the minimal important difference in a health-related quality of life score over time

Ousmen

Conroy

Guillemin

et al. 2016

Health Qual Life Outcomes

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BackgroundAn important challenge of the longitudinal analysis of health-related quality of life (HRQOL) is the potential occurrence of a Response Shift (RS) effect. While the impact of RS effect on the longitudinal analysis of HRQOL has already been studied, few studies have been conducted on its impact on the determination of the Minimal Important Difference (MID). This study aims to investigate the impact of the RS effect on the determination of the MID over time for each scale of both EORTC QLQ-C30 and QLQ-BR23 questionnaires in breast cancer patients.MethodsPatients with breast cancer completed the EORTC QLQ-C30 and the EORTC QLQ-BR23 questionnaires at baseline (time of diagnosis; T0), three months (T1) and six months after surgery (T2). Four hospitals and care centers participated in this study: cancer centers of Dijon and Nancy, the university hospitals of Reims and Strasbourg At T1 and T2, patients were asked to evaluate their HRQOL change during the last 3 months using the Jaeschke transition question. They were also asked to assess retrospectively their HRQOL level of three months ago.The occurrence of the RS effect was explored using the then-test method and its impact on the determination of the MID by using the Anchor-based method.ResultsBetween February 2006 and February 2008, 381 patients were included of mean age 58 years old (SD = 11). For patients who reported a deterioration of their HRQOL level at each follow-up, an increase of RS effect has been detected between T1 and T2 in 13/15 dimensions of QLQ-C30 questionnaire, and 4/7 dimensions of QLQ-BR23 questionnaire. In contrast, a decrease of the RS effect was observed in 8/15 dimensions of QLQ-C30 questionnaire and in 5/7 dimensions of QLQ-BR23 questionnaire in case of improvement. At T2, the MID became ≥ 5 points when taking into account the RS effect in 10/15 dimensions of QLQ-C30 questionnaire and in 5/7 dimensions of QLQ-BR23 questionnaire.ConclusionsThis study highlights that the RS effect increases over time in case of deterioration and decreases in case of improvement. Moreover, taking the RS into account produces a reliable and significant MID.Electronic supplementary materialThe online version of this article (doi:10.1186/s12955-016-0569-5) contains supplementary material, which is available to authorized users.

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Response shift effects on measuring post-operative quality of life among breast cancer patients: a multicenter cohort study

Abstract: The occurrence of RS early after the first hospitalization suggests that it needs to be taken into account to interpret QoL changes in BC.

Cited by 46 publications

References 32 publications

Using Anchoring Vignettes in the Evaluation of Breast Cancer Survivors' Quality of Life

Using Anchoring Vignettes in the Evaluation of Breast Cancer Survivors' Quality of Life

Life Satisfaction in Adult Survivors of Childhood Brain Tumors

Impact of the occurrence of a response shift on the determination of the minimal important difference in a health-related quality of life score over time

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