Psychometric Properties of the Gastrointestinal Symptom Severity Scale in a Sample of Adolescents and Young Adults
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Título: | Psychometric Properties of the Gastrointestinal Symptom Severity Scale in a Sample of Adolescents and Young Adults |
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Autor/es: | Martínez-González, Agustín Ernesto | Montoro-Pérez, Néstor | Wallace, Agustín | Pérez-Sánchez, Susana | Piqueras Rodríguez, José Antonio | Infante Cañete, Lidia | Hidalgo Berutich, Silvia | Rodríguez-Jiménez, Tíscar | Andreo-Martínez, Pedro |
Grupo/s de investigación o GITE: | Grupo de Investigación Integral en el Neurodesarrollo Típico y Atípico (GINTA) | Person-centred Care and Health Outcomes Innovation / Atención centrada en la persona e innovación en resultados de salud (PCC-HOI) |
Centro, Departamento o Servicio: | Universidad de Alicante. Departamento de Psicología Evolutiva y Didáctica | Universidad de Alicante. Departamento de Enfermería |
Palabras clave: | Functional gastrointestinal disorders | Gastrointestinal symptoms | Constipation | Pain | Adolescents | Young adults |
Fecha de publicación: | 14-mar-2024 |
Editor: | MDPI |
Cita bibliográfica: | Journal of Clinical Medicine. 2024, 13(6): 1662. https://doi.org/10.3390/jcm13061662 |
Resumen: | Background: Functional gastrointestinal disorders (FGIDs) are a set of chronic or recurrent gastrointestinal symptoms (GS) with great psychobiological complexity. The appearance of FGIDs harms quality of life and drains medical resources. Methods: Psychometric properties of the Gastrointestinal Symptom Severity Scale (GSSS) based on Rome IV criteria were examined in a sample of 1247 individuals with typical development. Observations were randomly divided into two subsets, namely, subsample 1 (n = 624) and subsample 2 (n = 623). Exploratory factor analysis (EFA) was performed with data from subsample 1, whilst confirmatory factor analysis (CFA) was performed with data from subsample 2. Internal consistency of the scale was assessed for the whole dataset according to ordinal alpha, whilst four-week reliability was measured according to the intraclass correlation coefficient (ICC). Measurement invariance as a function of sex was also examined, and discriminant–convergent validity of the GSSS was examined through hypothesis testing. Results: EFA revealed a two-factor structure with a moderate percentage of explained variance (51.3%), whilst CFA exhibited an excellent fit of the data to the model. A one-factor CFA model demonstrated an acceptable but slightly lower fit. Internal consistency was moderate and test–retest reliability was deemed adequate. Metric invariance was demonstrated as a function of sex. Hypothesis testing demonstrated strong convergent–discriminant validity with measures of sensory sensitivity, obsessive–compulsive symptoms, and pain. Conclusions: The GSSS is a tool with acceptable and promising psychometric properties when administered to neurotypical adolescents and young adults. The self-report GSSS may promote better understanding of GS involvement in the gut microbiota–brain axis in the general population. |
Patrocinador/es: | This research was funded by the University of Alicante. References: GRE22-05C. |
URI: | http://hdl.handle.net/10045/141526 |
ISSN: | 2077-0383 |
DOI: | 10.3390/jcm13061662 |
Idioma: | eng |
Tipo: | info:eu-repo/semantics/article |
Derechos: | © 2024 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). |
Revisión científica: | si |
Versión del editor: | https://doi.org/10.3390/jcm13061662 |
Aparece en las colecciones: | INV - GINTA - Artículos de Revistas INV - PCC-HOI - Artículos de Revistas |
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