Fluctuations in appraisal over time in the context of stable versus non-stable health

Carolyn E. Schwartz, Brian R. Quaranto, Bruce D. Rapkin, Brian C. Healy, Timothy Vollmer, Mirjam A G Sprangers

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Purpose: This study seeks to estimate clinically significant change in quality of life (QOL) appraisal by comparing changes in appraisal over 6 months of follow-up in people with multiple sclerosis who experienced no change in symptoms versus those with worsening symptoms. This estimation is important for enabling valid interpretation of longitudinal change, both in terms of ensuring the comparison of scores and for response shift estimation. Methods: This is a secondary analysis of longitudinal data (N = 859) of participants in the North American Research Committee on Multiple Sclerosis registry. Patient groupings were characterized on the basis of self-reported symptom change over 1 year of follow-up and compared in terms of their responses to the QOL Appraisal Profile. Bonferroni adjustments reduced the type I error rate, and interpretation was restricted to those comparisons with small or larger effect sizes using Cohen's criteria. Results: The Symptoms Unchanged group evidenced more change in Frame of Reference goal delineation themes and Combinatory Algorithm, whereas the Symptoms Worse group evidenced more change in Sampling of Experience and Standards of Comparison items. The group differences were, however, not large or statistically significant in most cases, likely due to being under-powered to detect interaction effects. Conclusions: Many aspects of appraisal are relatively constant in the context of unchanging and changing symptom experience, but symptom changes led patients to make substantial shifts in what experiences they sample when thinking about their health-related QOL. These underlying cognitive processes may help people to maintain homeostasis in their perceived QOL.

Original languageEnglish (US)
Pages (from-to)9-19
Number of pages11
JournalQuality of Life Research
Volume23
Issue number1
DOIs
StatePublished - Feb 2014

Fingerprint

Quality of Life
Health
Multiple Sclerosis
Social Adjustment
Registries
Homeostasis
Research

Keywords

  • Appraisal
  • Fluctuations
  • Multiple sclerosis
  • Patient-reported outcomes
  • Response shift
  • Stable health

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health
  • Medicine(all)

Cite this

Fluctuations in appraisal over time in the context of stable versus non-stable health. / Schwartz, Carolyn E.; Quaranto, Brian R.; Rapkin, Bruce D.; Healy, Brian C.; Vollmer, Timothy; Sprangers, Mirjam A G.

In: Quality of Life Research, Vol. 23, No. 1, 02.2014, p. 9-19.

Research output: Contribution to journalArticle

Schwartz, Carolyn E. ; Quaranto, Brian R. ; Rapkin, Bruce D. ; Healy, Brian C. ; Vollmer, Timothy ; Sprangers, Mirjam A G. / Fluctuations in appraisal over time in the context of stable versus non-stable health. In: Quality of Life Research. 2014 ; Vol. 23, No. 1. pp. 9-19.
@article{628f3220080b4cdd8bd6e9a1d961e51e,
title = "Fluctuations in appraisal over time in the context of stable versus non-stable health",
abstract = "Purpose: This study seeks to estimate clinically significant change in quality of life (QOL) appraisal by comparing changes in appraisal over 6 months of follow-up in people with multiple sclerosis who experienced no change in symptoms versus those with worsening symptoms. This estimation is important for enabling valid interpretation of longitudinal change, both in terms of ensuring the comparison of scores and for response shift estimation. Methods: This is a secondary analysis of longitudinal data (N = 859) of participants in the North American Research Committee on Multiple Sclerosis registry. Patient groupings were characterized on the basis of self-reported symptom change over 1 year of follow-up and compared in terms of their responses to the QOL Appraisal Profile. Bonferroni adjustments reduced the type I error rate, and interpretation was restricted to those comparisons with small or larger effect sizes using Cohen's criteria. Results: The Symptoms Unchanged group evidenced more change in Frame of Reference goal delineation themes and Combinatory Algorithm, whereas the Symptoms Worse group evidenced more change in Sampling of Experience and Standards of Comparison items. The group differences were, however, not large or statistically significant in most cases, likely due to being under-powered to detect interaction effects. Conclusions: Many aspects of appraisal are relatively constant in the context of unchanging and changing symptom experience, but symptom changes led patients to make substantial shifts in what experiences they sample when thinking about their health-related QOL. These underlying cognitive processes may help people to maintain homeostasis in their perceived QOL.",
keywords = "Appraisal, Fluctuations, Multiple sclerosis, Patient-reported outcomes, Response shift, Stable health",
author = "Schwartz, {Carolyn E.} and Quaranto, {Brian R.} and Rapkin, {Bruce D.} and Healy, {Brian C.} and Timothy Vollmer and Sprangers, {Mirjam A G}",
year = "2014",
month = "2",
doi = "10.1007/s11136-013-0471-0",
language = "English (US)",
volume = "23",
pages = "9--19",
journal = "Quality of Life Research",
issn = "0962-9343",
publisher = "Springer Netherlands",
number = "1",

}

TY - JOUR

T1 - Fluctuations in appraisal over time in the context of stable versus non-stable health

AU - Schwartz, Carolyn E.

AU - Quaranto, Brian R.

AU - Rapkin, Bruce D.

AU - Healy, Brian C.

AU - Vollmer, Timothy

AU - Sprangers, Mirjam A G

PY - 2014/2

Y1 - 2014/2

N2 - Purpose: This study seeks to estimate clinically significant change in quality of life (QOL) appraisal by comparing changes in appraisal over 6 months of follow-up in people with multiple sclerosis who experienced no change in symptoms versus those with worsening symptoms. This estimation is important for enabling valid interpretation of longitudinal change, both in terms of ensuring the comparison of scores and for response shift estimation. Methods: This is a secondary analysis of longitudinal data (N = 859) of participants in the North American Research Committee on Multiple Sclerosis registry. Patient groupings were characterized on the basis of self-reported symptom change over 1 year of follow-up and compared in terms of their responses to the QOL Appraisal Profile. Bonferroni adjustments reduced the type I error rate, and interpretation was restricted to those comparisons with small or larger effect sizes using Cohen's criteria. Results: The Symptoms Unchanged group evidenced more change in Frame of Reference goal delineation themes and Combinatory Algorithm, whereas the Symptoms Worse group evidenced more change in Sampling of Experience and Standards of Comparison items. The group differences were, however, not large or statistically significant in most cases, likely due to being under-powered to detect interaction effects. Conclusions: Many aspects of appraisal are relatively constant in the context of unchanging and changing symptom experience, but symptom changes led patients to make substantial shifts in what experiences they sample when thinking about their health-related QOL. These underlying cognitive processes may help people to maintain homeostasis in their perceived QOL.

AB - Purpose: This study seeks to estimate clinically significant change in quality of life (QOL) appraisal by comparing changes in appraisal over 6 months of follow-up in people with multiple sclerosis who experienced no change in symptoms versus those with worsening symptoms. This estimation is important for enabling valid interpretation of longitudinal change, both in terms of ensuring the comparison of scores and for response shift estimation. Methods: This is a secondary analysis of longitudinal data (N = 859) of participants in the North American Research Committee on Multiple Sclerosis registry. Patient groupings were characterized on the basis of self-reported symptom change over 1 year of follow-up and compared in terms of their responses to the QOL Appraisal Profile. Bonferroni adjustments reduced the type I error rate, and interpretation was restricted to those comparisons with small or larger effect sizes using Cohen's criteria. Results: The Symptoms Unchanged group evidenced more change in Frame of Reference goal delineation themes and Combinatory Algorithm, whereas the Symptoms Worse group evidenced more change in Sampling of Experience and Standards of Comparison items. The group differences were, however, not large or statistically significant in most cases, likely due to being under-powered to detect interaction effects. Conclusions: Many aspects of appraisal are relatively constant in the context of unchanging and changing symptom experience, but symptom changes led patients to make substantial shifts in what experiences they sample when thinking about their health-related QOL. These underlying cognitive processes may help people to maintain homeostasis in their perceived QOL.

KW - Appraisal

KW - Fluctuations

KW - Multiple sclerosis

KW - Patient-reported outcomes

KW - Response shift

KW - Stable health

UR - http://www.scopus.com/inward/record.url?scp=84895065155&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84895065155&partnerID=8YFLogxK

U2 - 10.1007/s11136-013-0471-0

DO - 10.1007/s11136-013-0471-0

M3 - Article

VL - 23

SP - 9

EP - 19

JO - Quality of Life Research

JF - Quality of Life Research

SN - 0962-9343

IS - 1

ER -