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Title: Psychometric properties of KIDSCREEN-27 among childhood cancer survivors and age matched peers : a Rasch analysis
Authors : Jervaeus, Anna
Kottorp, Anders
Wettergren, Lena
Published in : Health and Quality of Life Outcomes
Volume(Issue) : 11
Issue : 96
Publisher / Ed. Institution : BiomedCentral
Issue Date: 2013
License (according to publishing contract) : CC BY 2.0: Namensnennung 2.0 Generic
Type of review: Peer review (Publication)
Language : English
Subjects : Neoplasm; Parent-child relation; Psychometrics; Quality of life; Reproducibility of result; Social environment; Social support; Health-related quality of life (HRQoL); Rasch analysis
Subject (DDC) : 305: Social groups
610: Medicine and health
Abstract: Background: There is a growing population of children and adolescents that have survived their cancer diagnosis. Therefore, it is of great importance to perform follow-up studies with relevant, valid and sensitive measures. It is of interest both to follow changes over time and to compare results from childhood cancer survivors with those from persons without this experience, to fully understand the impact and complexity of childhood cancer in regard to different aspects of quality of life. The aim of this study was to evaluate the psychometric properties of KIDCSREEN-27 for use with survivors of childhood cancer. Methods: KIDSCREEN-27 consists of five dimensions measuring health-related quality of life (HRQoL) in children and adolescents; 63 survivors, (4–6 years post- diagnosis) aged 12–22 and 257 from a comparison group were assessed. KIDSCREEN-27 was evaluated using a Rasch Partial Credit Model (PCM). The aspects studied were the properties of the rating scale including threshold values, internal scale validity, unidimensionality, person response validity, and differential item functioning (DIF) comparing the survivors with peers. Results: The rating scales revealed almost expected patterns of responses, and the threshold ordering for two of three rating scales displayed acceptable results. The items demonstrated acceptable goodness-of-fit MnSq values in 23 of 27 items (85.2%). The explained variance within each dimension was above the set criterion (50%) for all dimensions except Autonomy & Parent Relations (39.8%). Person goodness-of-fit showed acceptable results in four of five dimensions. No DIF was detected with regard to cancer experience (survivors/comparison group). Conclusions: Based on the performed Rasch analysis, KIDSCREEN-27 is recommended, with the exception of Autonomy & Parent Relations, due to non-satisfactory unidimensionality, for use among adolescents and young adults who have survived childhood cancer. Still, it is recommended that future research should include a larger sample of childhood cancer survivors in order to monitor some items more thoroughly and explore different levels and patterns of HRQoL in KIDSCREEN-27.
Departement: Gesundheit
Organisational Unit: Institute of Occupational Therapy (IER)
Publication type: Article in scientific Journal
DOI : 10.1186/1477-7525-11-96
ISSN: 1477-7525
Appears in Collections:Publikationen Gesundheit

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