A preliminary validation of the Swedish version of the Pain Catastrophizing Scale for Children (PCS-C) for children and adolescents with cancer
Authors Cederberg JT, Weineland S, Dahl J, Ljungman G
Received 18 October 2018
Accepted for publication 29 April 2019
Published 6 June 2019 Volume 2019:12 Pages 1803—1811
Checked for plagiarism Yes
Review by Single anonymous peer review
Peer reviewer comments 3
Editor who approved publication: Dr Erica Wegrzyn
Jenny Thorsell Cederberg,1 Sandra Weineland,2,3 JoAnne Dahl,4 Gustaf Ljungman1
1Department of Women’s and Children’s Health, Uppsala University, Uppsala, Sweden; 2Research and Development Center, Primary Health Care, Region Västra Götaland, Sweden; 3Department of Psychology, University of Gothenburg, Göteborg, Sweden; 4Department of Psychology, Uppsala University, Uppsala, Sweden
Objectives: Pain is reported as one of the most common and difficult symptoms for children and adolescents with cancer to cope with. Pain catastrophizing has been identified as a process clearly related to pain intensity and disability. The Pain Catastrophizing Scale for Children (PCS-C) has been validated in several languages and populations but remains to be validated in pediatric oncology. The aim of the study was to validate a Swedish version of the PCS-C for children and adolescents with cancer.
Methods: All children, 7–18 years of age, being treated for cancer in Sweden at the time of the study were invited to participate. Study material was sent out to the registered address. Internal consistency, test–retest reliability and convergent validity were calculated. Factor structure was examined using principal component analysis (PCA). Descriptive statistics were used to investigate background data and norm values.
Results: 61 children/adolescents were included in the analyses. The results did not support the original three-factor structure of the PCS-C, but rather suggested that a two-factor structure excluding item 8 best represented the data. The internal consistency of that solution was good (α=0.87), the test–rest reliability was excellent (ICC=0.75) and convergent validity was demonstrated (r=0.46). The mean (SD) for the PCS-C in the sample was 19.1 (9.2), without item 8. A statistically significant difference was shown between genders, where girls reported a higher level of pain catastrophizing than boys. No difference was found with regard to age.
Discussion: The Swedish version of the PCS-C is now preliminarily validated for children and adolescents with cancer, for whom gender- and age-specific norm values are now available. Questions remain regarding the optimal factor structure of the PCS-C.
Keywords: The Pain Catastrophizing Scale for Children, instrument validation, children, adolescents, cancer, pain
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