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Erschienen in: Journal of Clinical Psychology in Medical Settings 1/2020

08.05.2019

Psychometric Characteristics of the Revised Illness Perception Questionnaire (IPQ-R) in People Undergoing Weight Loss Surgery

verfasst von: Lois J. Surgenor, Deborah L. Snell, Richard J. Siegert, Steven Kelly, Richard Flint, Grant Coulter

Erschienen in: Journal of Clinical Psychology in Medical Settings | Ausgabe 1/2020

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Abstract

The Illness Perception Questionnaire-Revised (IPQ-R) has been used extensively across many health conditions to measure patient illness and treatment perceptions. The constructs have an association with treatment adaptation and adherence which, in turn, are considered core factors involved in bariatric surgery outcome. This study examines the factorial validity and internal reliability of a modified (IPQ-R) in bariatric surgery candidates. After wording modifications, participants (N = 310) completed the IPQ-R as part of standard pre-surgery assessments. After removal of two items, confirmatory factor analysis (CFA) supported the original 7-factor solution of the Beliefs scale, with good to marginal subscale internal consistency. Exploratory factor analysis (EFA), with two items removed only partially supported the original 5-factor Causal Attributions scale. Internal consistency was unacceptably low for two subscales. Further research is needed to generate new items which better fit the IPQ-R to this population before research can explore the relevance of illness perceptions.
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Metadaten
Titel
Psychometric Characteristics of the Revised Illness Perception Questionnaire (IPQ-R) in People Undergoing Weight Loss Surgery
verfasst von
Lois J. Surgenor
Deborah L. Snell
Richard J. Siegert
Steven Kelly
Richard Flint
Grant Coulter
Publikationsdatum
08.05.2019
Verlag
Springer US
Erschienen in
Journal of Clinical Psychology in Medical Settings / Ausgabe 1/2020
Print ISSN: 1068-9583
Elektronische ISSN: 1573-3572
DOI
https://doi.org/10.1007/s10880-019-09624-4

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