ArticleNeurogastroenterology and motility2022
The Intestinal Gas Questionnaire (IGQ): Psychometric validation of a new instrument for measuring gas-related symptoms and their impact on daily life among general population and irritable bowel syndrome.
Article in Neurogastroenterology and motility, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers, 1 of them a synthesis that pooled it.
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Who cites it
8 citing papers in PubMed, 1 synthesis or guideline pooled it, 13 citations in OpenAlex.
- European Consensus on Functional Bloating and Abdominal Distension-An ESNM/UEG Recommendations for Clinical Management.United European gastroenterology journal · 2025Guideline
- A Multicenter, Prospective Real-World Study of Simethicone-Activated Charcoal in Patients With Persistent Dyspeptic Symptoms Despite Acid Suppression (SIMAC Study).JGH open : an open access journal of gastroenterology and hepatology · 2026Article
- The Influence of Ginger Supplementation on Cycling Performance.Sports (Basel, Switzerland) · 2026Article
- Bloating, Visible Abdominal Distension, and Other Intestinal Gas-Related Symptoms in Irritable Bowel Syndrome and Functional Dyspepsia.United European gastroenterology journal · 2026Article
- The Dry Eye dAily Life (DEAL) Questionnaire: Psychometric Validation of a New Instrument for Measuring the Impact of Dry Eye on Daily Life and Patient Satisfaction While Using Eye Drops.Clinical ophthalmology (Auckland, N.Z.) · 2026Article
- Article
- Prevalence and Severity of Lower Gastrointestinal Symptoms amongst Non-Dialysis Chronic Kidney Disease Patients: A Systematic Review and Meta-Analysis.Journal of clinical medicine · 2022Review
- The Intestinal Gas Questionnaire (IGQ): Psychometric validation of a new instrument for measuring gas-related symptoms and their impact on daily life among general population and irritable bowel syndrome.Neurogastroenterology and motility · 2022Article
Corrections and comments
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Authors and funding
12 authors at 5 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundGas-related symptoms (GRS) are common in the general population (GPop) and among patients with disorders of gut-brain interactions but there is no patient-reported outcome evaluating these symptoms and their impact on daily life. We have previously developed a 43-item intestinal gas questionnaire (IGQ). The aim of the present study is to perform a psychometric validation of this instrument.
methodsParticipants (119 from the GPop and 186 irritable bowel syndrome (IBS) patients) were recruited from 3 countries (UK, Spain, France). IBS patients fulfilled ROME IV criteria with an IBS severity score between 150 and 300. Participants completed the IGQ, the functional Digestive Disorders Quality of Life (FDDQL), and the EQ-5D. A subgroup (n = 90) repeated the IGQ completion after 7 days on paper or electronically.
resultsFrom the original IGQ questionnaire, 26 items were deleted because of poor performance. Confirmatory factorial analysis on the remaining 17 items (7 symptom and 10 impact items) yielded a 6-factor structure accounting for 67% of the variance for bloating (6 items), flatulence (3), belching (2), bad breath (2), stomach rumbling (2), and difficult gas evacuation (2). Global score (0-100) was worse among IBS vs GPop (40 ± 15 vs 33 ± 17; p = 0.0016). At the second visit, the intraclass correlation coefficient of IGQ scores was between 0.71 and 0.86 (n = 67) for test-retest reliability and 0.61-0.87 (n = 64) for equivalence between electronic and paper versions of IGQ.
conclusionThe IGQ available in paper and electronic versions in 3 languages is a robust instrument for capturing and measuring GRS and their impact on daily life.
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