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Open AccessArticle

Development and Validation of a Nausea Severity Scale for Assessment of Nausea in Children with Abdominal Pain-Related Functional Gastrointestinal Disorders

1
Department of Pediatrics, Vanderbilt University School of Medicine, Nashville, TN 37232, USA
2
Department of Pediatrics, Oregon Health and Science University, Portland, OR 97239, USA
3
Department of Psychology, Vanderbilt University, Nashville, TN 37235, USA
*
Author to whom correspondence should be addressed.
Children 2018, 5(6), 68; https://doi.org/10.3390/children5060068
Received: 13 April 2018 / Revised: 23 May 2018 / Accepted: 30 May 2018 / Published: 1 June 2018
(This article belongs to the Special Issue 5th Anniversary Issue)
The objective of this study was to develop a pediatric measure of chronic nausea severity, the Nausea Severity Scale (NSS), and evaluate its reliability and validity in youth with abdominal pain-related functional gastrointestinal disorders (AP-FGID). Pediatric patients (aged 11–17 years-old, n = 236) presenting to an outpatient clinic for evaluation of abdominal pain completed the NSS, Children’s Somatization Inventory (CSI), Functional Disability Inventory (FDI), Abdominal Pain Index (API), Patient-Report Outcomes Measurement Information System (PROMIS), Anxiety and Depression Scales and the Pediatric Rome III Questionnaire for FGIDs. The NSS demonstrated good concurrent, discriminant, and construct validity, as well as good internal consistency. One-third (34%) of AP-FGID patients reported experiencing nausea “most” or “every day” in the previous two weeks. The severity of nausea was higher in females than males and correlated significantly with the severity of somatic symptoms, functional disability, anxiety, and depression. The NSS is a valid and reliable measure of nausea in children with AP-FGID. View Full-Text
Keywords: chronic nausea; functional abdominal pain; nausea severity scale chronic nausea; functional abdominal pain; nausea severity scale
MDPI and ACS Style

Russell, A.C.; Stone, A.L.; Wang, A.; Walker, L.S. Development and Validation of a Nausea Severity Scale for Assessment of Nausea in Children with Abdominal Pain-Related Functional Gastrointestinal Disorders. Children 2018, 5, 68.

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