Psychometric Properties of the Gastrointestinal Symptom Severity Scale in a Sample of Adolescents and Young Adults
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. Psychometric properties of the Gastrointestinal Symptom Severity Scale (G...
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| Veröffentlicht in: | Journal of clinical medicine 2024-03, Vol.13 (6), p.1662 |
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| creator | Martínez-González, Agustín Ernesto Montoro-Pérez, Néstor Wallace, Agustín Pérez-Sánchez, Susana Piqueras, José A Infante-Cañete, Lidia Hidalgo-Berutich, Silvia Rodríguez-Jiménez, Tíscar Andreo-Martínez, Pedro |
| description | 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.
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 (
= 624) and subsample 2 (
= 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.
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.
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. |
| doi_str_mv | 10.3390/jcm13061662 |
| format | Article |
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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 (
= 624) and subsample 2 (
= 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.
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.
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.</description><identifier>ISSN: 2077-0383</identifier><identifier>EISSN: 2077-0383</identifier><identifier>DOI: 10.3390/jcm13061662</identifier><identifier>PMID: 38541887</identifier><language>eng</language><publisher>Switzerland: MDPI AG</publisher><subject>Abdomen ; Autism ; Caregivers ; Constipation ; Defecation ; Demographic aspects ; Development and progression ; Diagnosis ; Diarrhea ; Evaluation ; Gastroesophageal reflux ; Gastrointestinal diseases ; Hypothesis testing ; Irritable bowel syndrome ; Likert scale ; Medical examination ; Microbiota ; Pain ; Quantitative psychology ; Questionnaires ; Sample size ; Teenagers ; Vomiting ; Young adults ; Youth</subject><ispartof>Journal of clinical medicine, 2024-03, Vol.13 (6), p.1662</ispartof><rights>COPYRIGHT 2024 MDPI AG</rights><rights>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/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>2024 by the authors. 2024</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c477t-bf7c265ae610451e00228d3f6d277b322380deae8da1222990f9e3c73238d9e83</citedby><cites>FETCH-LOGICAL-c477t-bf7c265ae610451e00228d3f6d277b322380deae8da1222990f9e3c73238d9e83</cites><orcidid>0000-0001-6535-5492 ; 0000-0001-6207-9242 ; 0000-0002-9576-7348 ; 0000-0002-3604-5441 ; 0000-0002-5685-7180 ; 0000-0001-9396-253X ; 0000-0002-4274-1048</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC10971376/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC10971376/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,885,27924,27925,53791,53793</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/38541887$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Martínez-González, Agustín Ernesto</creatorcontrib><creatorcontrib>Montoro-Pérez, Néstor</creatorcontrib><creatorcontrib>Wallace, Agustín</creatorcontrib><creatorcontrib>Pérez-Sánchez, Susana</creatorcontrib><creatorcontrib>Piqueras, José A</creatorcontrib><creatorcontrib>Infante-Cañete, Lidia</creatorcontrib><creatorcontrib>Hidalgo-Berutich, Silvia</creatorcontrib><creatorcontrib>Rodríguez-Jiménez, Tíscar</creatorcontrib><creatorcontrib>Andreo-Martínez, Pedro</creatorcontrib><title>Psychometric Properties of the Gastrointestinal Symptom Severity Scale in a Sample of Adolescents and Young Adults</title><title>Journal of clinical medicine</title><addtitle>J Clin Med</addtitle><description>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.
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 (
= 624) and subsample 2 (
= 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.
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.
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.</description><subject>Abdomen</subject><subject>Autism</subject><subject>Caregivers</subject><subject>Constipation</subject><subject>Defecation</subject><subject>Demographic aspects</subject><subject>Development and progression</subject><subject>Diagnosis</subject><subject>Diarrhea</subject><subject>Evaluation</subject><subject>Gastroesophageal reflux</subject><subject>Gastrointestinal diseases</subject><subject>Hypothesis testing</subject><subject>Irritable bowel syndrome</subject><subject>Likert scale</subject><subject>Medical examination</subject><subject>Microbiota</subject><subject>Pain</subject><subject>Quantitative psychology</subject><subject>Questionnaires</subject><subject>Sample size</subject><subject>Teenagers</subject><subject>Vomiting</subject><subject>Young adults</subject><subject>Youth</subject><issn>2077-0383</issn><issn>2077-0383</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNptkt9rFDEQx4MottQ--S4BXwS5mh97m-yTHEVboWDh9MGnkEtm73JskjXJFu6_N0trexWThwwzn_kmMxmE3lJywXlHPu2Np5y0tG3ZC3TKiBALwiV_eWSfoPOc96QuKRtGxWt0wuWyoVKKU5Ru88HsooeSnMG3KY6QioOMY4_LDvCVziVFFwrk4oIe8PrgxxI9XsMdJFcOeG30ANgFrPFa-7HaNXVl4wDZQCgZ62DxrziFbfVOQ8lv0KteDxnOH84z9PPrlx-X14ub71ffLlc3C9MIURabXhjWLjW0lDRLCoQwJi3vW8uE2HDGuCQWNEirKWOs60jfATeC14DtQPIz9Pled5w2Huz8mKQHNSbndTqoqJ16Hglup7bxTlHSCcpFWxU-PCik-HuqHVDe1aKGQQeIU1ac0IaQbil4Rd__g-7jlGrDZoqwtqu_JJ6obe2ZcqGP9WIzi6qVkJI19U9m6uI_VN0WvDMxQO-q_1nCx_sEk2LOCfrHIilR85ioozGp9Lvjvjyyf4eC_wGMv7d-</recordid><startdate>20240314</startdate><enddate>20240314</enddate><creator>Martínez-González, Agustín Ernesto</creator><creator>Montoro-Pérez, Néstor</creator><creator>Wallace, Agustín</creator><creator>Pérez-Sánchez, Susana</creator><creator>Piqueras, José A</creator><creator>Infante-Cañete, Lidia</creator><creator>Hidalgo-Berutich, Silvia</creator><creator>Rodríguez-Jiménez, Tíscar</creator><creator>Andreo-Martínez, Pedro</creator><general>MDPI AG</general><general>MDPI</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7X7</scope><scope>7XB</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>K9.</scope><scope>M0S</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0001-6535-5492</orcidid><orcidid>https://orcid.org/0000-0001-6207-9242</orcidid><orcidid>https://orcid.org/0000-0002-9576-7348</orcidid><orcidid>https://orcid.org/0000-0002-3604-5441</orcidid><orcidid>https://orcid.org/0000-0002-5685-7180</orcidid><orcidid>https://orcid.org/0000-0001-9396-253X</orcidid><orcidid>https://orcid.org/0000-0002-4274-1048</orcidid></search><sort><creationdate>20240314</creationdate><title>Psychometric Properties of the Gastrointestinal Symptom Severity Scale in a Sample of Adolescents and Young Adults</title><author>Martínez-González, Agustín Ernesto ; 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The appearance of FGIDs harms quality of life and drains medical resources.
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 (
= 624) and subsample 2 (
= 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.
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.
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.</abstract><cop>Switzerland</cop><pub>MDPI AG</pub><pmid>38541887</pmid><doi>10.3390/jcm13061662</doi><orcidid>https://orcid.org/0000-0001-6535-5492</orcidid><orcidid>https://orcid.org/0000-0001-6207-9242</orcidid><orcidid>https://orcid.org/0000-0002-9576-7348</orcidid><orcidid>https://orcid.org/0000-0002-3604-5441</orcidid><orcidid>https://orcid.org/0000-0002-5685-7180</orcidid><orcidid>https://orcid.org/0000-0001-9396-253X</orcidid><orcidid>https://orcid.org/0000-0002-4274-1048</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Abdomen Autism Caregivers Constipation Defecation Demographic aspects Development and progression Diagnosis Diarrhea Evaluation Gastroesophageal reflux Gastrointestinal diseases Hypothesis testing Irritable bowel syndrome Likert scale Medical examination Microbiota Pain Quantitative psychology Questionnaires Sample size Teenagers Vomiting Young adults Youth |
| title | Psychometric Properties of the Gastrointestinal Symptom Severity Scale in a Sample of Adolescents and Young Adults |
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