PedsQL gastrointestinal symptoms module: Feasibility, reliability, and validity

James W. Varni, Cristiane B. Bendo, Jolanda Denham, Robert J. Shulman, Mariella M. Self, Deborah A. Neigut, Samuel Nurko, Ashish S. Patel, James P. Franciosi, Miguel Saps, Barbara Verga, Alicia Smith, Alyson Yeckes, Nicole Heinz, Annette Langseder, Shehzad Saeed, George M. Zacur, John F. Pohl

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

OBJECTIVE: The objective of this study was to report on the measurement properties of the Pediatric Quality of Life Inventory (PedsQL) Gastrointestinal Symptoms Module for patients with functional gastrointestinal (GI) disorders (FGIDs) and organic GI diseases, hereafter referred to as "GI disorders," for patient self-report ages between 5 and 18 and parent proxy-report for ages between 2 and 18 years. METHODS: The 74-item PedsQL GI Module and 23-item PedsQL Generic Core Scales were completed in a 9-site study by 584 patients and 682 parents. Patients had physician-diagnosed GI disorders (such as chronic constipation, functional abdominal pain, irritable bowel syndrome, functional dyspepsia, Crohn disease, ulcerative colitis, gastroesophageal reflux disease). RESULTS: Fourteen unidimensional scales were derived measuring stomach pain, stomach discomfort when eating, food and drink limits, trouble swallowing, heartburn and reflux, nausea and vomiting, gas and bloating, constipation, blood, diarrhea, worry, medicines, and communication. The PedsQL GI Module Scales evidenced excellent feasibility, excellent reliability for the Total Scale Scores (patient self-report α = 0.97, parent proxy-report α = 0.97), and good-to-excellent reliability for the 14 individual scales (patient self-report α = 0.67-0.94, parent proxy-report α = 0.77-0.95). Intercorrelations with the Generic Core Scales supported construct validity. Individual Symptoms Scales known-groups validity across 7 GI disorders was generally supported. Factor analysis supported the unidimensionality of the individual scales. CONCLUSIONS: The PedsQL GI Module Scales demonstrated acceptable-to-excellent measurement properties and may be used as common metrics to compare GI-specific symptoms in clinical research and practice both within and across patient groups for FGIDs and organic GI diseases.

Original languageEnglish (US)
Pages (from-to)347-355
Number of pages9
JournalJournal of Pediatric Gastroenterology and Nutrition
Volume59
Issue number3
DOIs
StatePublished - 2014

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Reproducibility of Results
Gastrointestinal Diseases
Proxy
Self Report
Constipation
Stomach
Heartburn
Irritable Bowel Syndrome
Dyspepsia
Deglutition
Gastroesophageal Reflux
Ulcerative Colitis
Crohn Disease
Nausea
Abdominal Pain
Statistical Factor Analysis
Vomiting
Diarrhea
Eating
Gases

ASJC Scopus subject areas

  • Gastroenterology
  • Pediatrics, Perinatology, and Child Health

Cite this

Varni, J. W., Bendo, C. B., Denham, J., Shulman, R. J., Self, M. M., Neigut, D. A., ... Pohl, J. F. (2014). PedsQL gastrointestinal symptoms module: Feasibility, reliability, and validity. Journal of Pediatric Gastroenterology and Nutrition, 59(3), 347-355. https://doi.org/10.1097/MPG.0000000000000414

PedsQL gastrointestinal symptoms module : Feasibility, reliability, and validity. / Varni, James W.; Bendo, Cristiane B.; Denham, Jolanda; Shulman, Robert J.; Self, Mariella M.; Neigut, Deborah A.; Nurko, Samuel; Patel, Ashish S.; Franciosi, James P.; Saps, Miguel; Verga, Barbara; Smith, Alicia; Yeckes, Alyson; Heinz, Nicole; Langseder, Annette; Saeed, Shehzad; Zacur, George M.; Pohl, John F.

In: Journal of Pediatric Gastroenterology and Nutrition, Vol. 59, No. 3, 2014, p. 347-355.

Research output: Contribution to journalArticle

Varni, JW, Bendo, CB, Denham, J, Shulman, RJ, Self, MM, Neigut, DA, Nurko, S, Patel, AS, Franciosi, JP, Saps, M, Verga, B, Smith, A, Yeckes, A, Heinz, N, Langseder, A, Saeed, S, Zacur, GM & Pohl, JF 2014, 'PedsQL gastrointestinal symptoms module: Feasibility, reliability, and validity', Journal of Pediatric Gastroenterology and Nutrition, vol. 59, no. 3, pp. 347-355. https://doi.org/10.1097/MPG.0000000000000414
Varni, James W. ; Bendo, Cristiane B. ; Denham, Jolanda ; Shulman, Robert J. ; Self, Mariella M. ; Neigut, Deborah A. ; Nurko, Samuel ; Patel, Ashish S. ; Franciosi, James P. ; Saps, Miguel ; Verga, Barbara ; Smith, Alicia ; Yeckes, Alyson ; Heinz, Nicole ; Langseder, Annette ; Saeed, Shehzad ; Zacur, George M. ; Pohl, John F. / PedsQL gastrointestinal symptoms module : Feasibility, reliability, and validity. In: Journal of Pediatric Gastroenterology and Nutrition. 2014 ; Vol. 59, No. 3. pp. 347-355.
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AU - Varni, James W.

AU - Bendo, Cristiane B.

AU - Denham, Jolanda

AU - Shulman, Robert J.

AU - Self, Mariella M.

AU - Neigut, Deborah A.

AU - Nurko, Samuel

AU - Patel, Ashish S.

AU - Franciosi, James P.

AU - Saps, Miguel

AU - Verga, Barbara

AU - Smith, Alicia

AU - Yeckes, Alyson

AU - Heinz, Nicole

AU - Langseder, Annette

AU - Saeed, Shehzad

AU - Zacur, George M.

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N2 - OBJECTIVE: The objective of this study was to report on the measurement properties of the Pediatric Quality of Life Inventory (PedsQL) Gastrointestinal Symptoms Module for patients with functional gastrointestinal (GI) disorders (FGIDs) and organic GI diseases, hereafter referred to as "GI disorders," for patient self-report ages between 5 and 18 and parent proxy-report for ages between 2 and 18 years. METHODS: The 74-item PedsQL GI Module and 23-item PedsQL Generic Core Scales were completed in a 9-site study by 584 patients and 682 parents. Patients had physician-diagnosed GI disorders (such as chronic constipation, functional abdominal pain, irritable bowel syndrome, functional dyspepsia, Crohn disease, ulcerative colitis, gastroesophageal reflux disease). RESULTS: Fourteen unidimensional scales were derived measuring stomach pain, stomach discomfort when eating, food and drink limits, trouble swallowing, heartburn and reflux, nausea and vomiting, gas and bloating, constipation, blood, diarrhea, worry, medicines, and communication. The PedsQL GI Module Scales evidenced excellent feasibility, excellent reliability for the Total Scale Scores (patient self-report α = 0.97, parent proxy-report α = 0.97), and good-to-excellent reliability for the 14 individual scales (patient self-report α = 0.67-0.94, parent proxy-report α = 0.77-0.95). Intercorrelations with the Generic Core Scales supported construct validity. Individual Symptoms Scales known-groups validity across 7 GI disorders was generally supported. Factor analysis supported the unidimensionality of the individual scales. CONCLUSIONS: The PedsQL GI Module Scales demonstrated acceptable-to-excellent measurement properties and may be used as common metrics to compare GI-specific symptoms in clinical research and practice both within and across patient groups for FGIDs and organic GI diseases.

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