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Evaluating the psychometric properties of the Widespread Pain Index and the Symptom Severity Scale in youth with painful conditions

Background: Assessing features of centralized pain may prove to be clinically meaningful in pediatric populations. However, we are currently limited by the lack of validated pediatric measures. Aim: We examined the psychometric properties of the Widespread Pain Index (WPI) and Symptom Severity (SS)...

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Autores principales: Dudeney, Joanne, Law, Emily F., Meyyappan, Alagumeena, Palermo, Tonya M., Rabbitts, Jennifer A.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Taylor & Francis 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7015535/
https://www.ncbi.nlm.nih.gov/pubmed/32051925
http://dx.doi.org/10.1080/24740527.2019.1620097
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author Dudeney, Joanne
Law, Emily F.
Meyyappan, Alagumeena
Palermo, Tonya M.
Rabbitts, Jennifer A.
author_facet Dudeney, Joanne
Law, Emily F.
Meyyappan, Alagumeena
Palermo, Tonya M.
Rabbitts, Jennifer A.
author_sort Dudeney, Joanne
collection PubMed
description Background: Assessing features of centralized pain may prove to be clinically meaningful in pediatric populations. However, we are currently limited by the lack of validated pediatric measures. Aim: We examined the psychometric properties of the Widespread Pain Index (WPI) and Symptom Severity (SS) scale to assess features of centralized pain in youth with painful conditions from three clinical samples: (1) musculoskeletal surgery, (2) headache, and (3) chronic pain. Methods: Participants were 240 youth aged 10 to 18 years (M(age) = 14.8, SD = 1.9) who completed the WPI and SS scale. Subsets of participants also completed additional measures of pain region, pain intensity, quality of life, pain interference, and physical function. Results: Increased features of centralized pain by age were seen for the WPI (r = 0.27, P < 0.01) and SS scale (r = 0.29, P < 0.01). Expected differences in sex were seen for the WPI (sex: t(132) = −3.62, P < 0.01) but not the SS scale (sex: t(223) = −1.73, P = 0.09). Reliability for the SS scale was adequate (α = 0.70). Construct validity was demonstrated through relationships between the WPI and pain regions (r = 0.57, P < 0.01) and between the SS scale and quality of life (r = −0.59, P < 0.01) and pain interference (r = 0.56, P < 0.01). Criterion validity was demonstrated by differences on the WPI between the surgery sample and the headache and chronic pain samples (F(2,237) = 17.55, P < 0.001). Comprehension of the SS scale items was problematic for some youth. Conclusions: The WPI showed adequate psychometric properties in youth; however, the SS scale may need to be modified. Our findings support the need to develop psychometrically sound instruments for comprehensive assessment of pain in pediatric samples.
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spelling pubmed-70155352020-02-12 Evaluating the psychometric properties of the Widespread Pain Index and the Symptom Severity Scale in youth with painful conditions Dudeney, Joanne Law, Emily F. Meyyappan, Alagumeena Palermo, Tonya M. Rabbitts, Jennifer A. Can J Pain Original Articles Background: Assessing features of centralized pain may prove to be clinically meaningful in pediatric populations. However, we are currently limited by the lack of validated pediatric measures. Aim: We examined the psychometric properties of the Widespread Pain Index (WPI) and Symptom Severity (SS) scale to assess features of centralized pain in youth with painful conditions from three clinical samples: (1) musculoskeletal surgery, (2) headache, and (3) chronic pain. Methods: Participants were 240 youth aged 10 to 18 years (M(age) = 14.8, SD = 1.9) who completed the WPI and SS scale. Subsets of participants also completed additional measures of pain region, pain intensity, quality of life, pain interference, and physical function. Results: Increased features of centralized pain by age were seen for the WPI (r = 0.27, P < 0.01) and SS scale (r = 0.29, P < 0.01). Expected differences in sex were seen for the WPI (sex: t(132) = −3.62, P < 0.01) but not the SS scale (sex: t(223) = −1.73, P = 0.09). Reliability for the SS scale was adequate (α = 0.70). Construct validity was demonstrated through relationships between the WPI and pain regions (r = 0.57, P < 0.01) and between the SS scale and quality of life (r = −0.59, P < 0.01) and pain interference (r = 0.56, P < 0.01). Criterion validity was demonstrated by differences on the WPI between the surgery sample and the headache and chronic pain samples (F(2,237) = 17.55, P < 0.001). Comprehension of the SS scale items was problematic for some youth. Conclusions: The WPI showed adequate psychometric properties in youth; however, the SS scale may need to be modified. Our findings support the need to develop psychometrically sound instruments for comprehensive assessment of pain in pediatric samples. Taylor & Francis 2019-06-26 /pmc/articles/PMC7015535/ /pubmed/32051925 http://dx.doi.org/10.1080/24740527.2019.1620097 Text en © 2019 The Author(s). Published with license by Taylor & Francis Group, LLC. https://creativecommons.org/licenses/by/4.0/This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) ), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Original Articles
Dudeney, Joanne
Law, Emily F.
Meyyappan, Alagumeena
Palermo, Tonya M.
Rabbitts, Jennifer A.
Evaluating the psychometric properties of the Widespread Pain Index and the Symptom Severity Scale in youth with painful conditions
title Evaluating the psychometric properties of the Widespread Pain Index and the Symptom Severity Scale in youth with painful conditions
title_full Evaluating the psychometric properties of the Widespread Pain Index and the Symptom Severity Scale in youth with painful conditions
title_fullStr Evaluating the psychometric properties of the Widespread Pain Index and the Symptom Severity Scale in youth with painful conditions
title_full_unstemmed Evaluating the psychometric properties of the Widespread Pain Index and the Symptom Severity Scale in youth with painful conditions
title_short Evaluating the psychometric properties of the Widespread Pain Index and the Symptom Severity Scale in youth with painful conditions
title_sort evaluating the psychometric properties of the widespread pain index and the symptom severity scale in youth with painful conditions
topic Original Articles
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7015535/
https://www.ncbi.nlm.nih.gov/pubmed/32051925
http://dx.doi.org/10.1080/24740527.2019.1620097
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