Cited by 294Health Systems, Economic Evaluations, Quality of LifeCancer survivorship and careChronic Disease Management Strategies

Using the illness intrusiveness ratings scale to understand health-related quality of life in chronic disease

Devins, Gerald M.·2010·Journal of Psychosomatic Research

Abstract

Objective Illness intrusiveness is a common, underlying determinant of quality of life in people affected by chronic disease. Illness intrusiveness results from disease- and treatment-induced disruptions to lifestyles, activities, and interests (i.e., interference with psychologically meaningful activity). This paper introduces the Illness Intrusiveness Ratings Scale (IIRS), a 13-item, self-report instrument. The IIRS can be scored to generate a total score or three subscale scores: relationships and personal development, intimacy, and instrumental. In addition to describing the IIRS, the paper presents the theoretical framework in which it is anchored, reviews the evidence, and reports psychometric properties.Methods Qualitative literature review.Results Findings support the IIRS's reliability (internal consistency and test-retest), validity (construct, criterion-related, and discriminant), sensitivity to change, and factorial invariance across numerous chronic-disease groups. The paper reports IIRS reliability coefficients and normative statistics for 36 chronic, medical and psychiatric patient populations.Conclusion The IIRS taps the extent to which disease- and treatment-related factors interfere with psychologically meaningful activity among people affected by chronic disease. It provides a valid, reliable measure that is easy to administer and unequivocally interpretable rendering it suitable for research designed to estimate the psychosocial impact of chronic disease and to document (and compare) the effectiveness of therapeutic interventions.

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Crossref · 10.1016/j.jpsychores.2009.05.006

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Authors
Devins, G. M.
Affiliations
University of Toronto (CA)
Corresponding author
Devins, Gerald M.
Venue
Journal of Psychosomatic Research
Publisher
Elsevier BV
Published
2010-06
Volume
68
Issue
6
Pages
591-602
ISSN
0022-3999 (ISSN-L)
OpenAlex
W2048449366
Cited by
294
References
105
Citations by year
2026: 7 · 2025: 11 · 2024: 23 · 2023: 15 · 2022: 16 · 2021: 24 · 2020: 69 · 2019: 21 · 2018: 12 · 2017: 18 · 2016: 10 · 2015: 17 · 2014: 15 · 2013: 19 · 2012: 10
FWCI
1.79
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Psychosomatic Research (publishedVersion)
  • PubMed (publishedVersion)
Funders
Canadian Institutes of Health Research
Topics
  • Social Sciences › Economics, Econometrics and Finance › Economics and Econometrics › Health Systems, Economic Evaluations, Quality of Life
  • Health Sciences › Medicine › Oncology › Cancer survivorship and care
  • Health Sciences › Medicine › Epidemiology › Chronic Disease Management Strategies
Keywords
illness intrusiveness, health-related quality of life, chronic disease, psychosocial impact, self-report measures, psychometric properties, measurement invariance, reference values, treatment interference, intimacy, instrumental activities
MeSH terms
Activities of Daily Living, Chronic Disease, Disability Evaluation, Female, Humans, Male, Psychometrics, Quality of Life, Reproducibility of Results, Sickness Impact Profile, Illness Behavior

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