Visceral Sensitivity Index (VSI-IT): italian adaptation and validation

• Amelia Rizzo ^[1] ; Aurora Mautone ^[1] ; Aldo Sitibondo ; Gabriella Nucera ; Livio Tarchi ^[2] ; Hicham Khabbache ^[3] ; Driss Ait Ali ^[3] ; Khalid Ouazizi ; Łukasz Szarpak ; Michal Pruc ; Murat Yıldırım ^[5] ; Francesco Chirico ^[4]
  1. [1] University of Messina

     University of Messina

     Mesina, Italia

     
  2. [2] University of Florence

     University of Florence

     Firenze, Italia

     
  3. [3] Sidi Mohamed Ben Abdellah University

     Sidi Mohamed Ben Abdellah University

     Fes-Medina, Marruecos

     
  4. [4] Universidad del Sagrado Corazón

     Universidad del Sagrado Corazón

     Puerto Rico

     
  5. [5] Agri Ibrahim Cecen University

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• Localización: EJIHPE: European Journal of Investigation in Health, Psychology and Education, ISSN 2174-8144, ISSN-e 2254-9625, Vol. 14, Nº. 7, 2024, págs. 1953-1968
• Idioma: inglés
• DOI: 10.3390/ejihpe14070130
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• Resumen

  • The Visceral Sensitivity Index (VSI) represents a significant advancement in the assessment of gastrointestinal-specific anxiety among patients with irritable bowel syndrome (IBS) and chronic inflammatory bowel diseases (IBD)—such as ulcerative colitis and Crohn’s disease. However, an Italian version of the instrument is not yet available for the Italian-speaking population. This study utilized a national sample of 500 individuals divided into four groups: (a) patients with Crohn’s disease, (b) patients with ulcerative colitis, (c) patients with IBS, and (d) healthy controls (individuals without any diagnoses) to test the validity and reliability of the Italian VSI. Using back-translation methodology to ensure translation fidelity, this research applied a questionnaire and the VSI through an online format to 500 participants. Confirmatory Factor Analysis (CFA) revealed that the Italian VSI had excellent psychometric properties, demonstrating high internal consistency (Cronbach’s α = 0.949) and construct validity. The scale proved sensitive in detecting significant differences in visceral sensitivity among groups, highlighting its utility as a clinical and research assessment tool. Specifically, the Italian VSI exhibited a unidimensional factorial structure and maintained a strong correlation with interoceptive awareness, type of disease, and gastrointestinal symptom severity, confirming its role in enhancing the understanding and management of IBD and IBS in Italy.

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