{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,27]],"date-time":"2026-09-27T13:57:09Z","timestamp":1790517429987,"version":"4.1.0"},"reference-count":41,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2022,3,16]],"date-time":"2022-03-16T00:00:00Z","timestamp":1647388800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100000925","name":"National Health and Medical Research Council","doi-asserted-by":"publisher","award":["Centre for Research Excellence in Digestive Health"],"award-info":[{"award-number":["Centre for Research Excellence in Digestive Health"]}],"id":[{"id":"10.13039\/501100000925","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Neurogastroenterology Motil"],"published-print":{"date-parts":[[2022,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Co\u2010occurring (overlapping) irritable bowel syndrome (IBS), functional dyspepsia (FD), and heartburn has been observed. However, whether it is a distinct entity has not been established, nor what clinical, demographic, lifestyle, and psychological traits are associated with it. This study sought to estimate the prevalence and temporal stability of this overlap and to identify features specific to it in order to gain some insights into the potential etiopathogenesis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Two waves of a survey to a population\u2010representative sample were conducted 3\u00a0years apart, recruiting 1312 individuals for this study. The chance\u2010expected probability of complete overlap (CO) was calculated and compared with the observed CO. A range of demographic, lifestyle factors, medical diagnoses, sleep quality, and psychological distress were tested to identify predictors of overlap using logistic regression.<\/jats:p><\/jats:sec><jats:sec><jats:title>Key Results<\/jats:title><jats:p>CO was observed in 2.1% (95% confidence interval 1.9, 3.7) of the sample and was closely replicated in wave 2 at 2.0%. The observed CO was greater than expected by chance (0.2%) to a statistically significant extent (<jats:italic>p\u00a0<\/jats:italic>&lt;\u00a00.001). Overlap between IBS subtypes, FD subtypes, and heartburn was also elevated above chance expectation. Individuals with CO were separately differentiated from others with respect to elevated rates of self\u2010reported medically diagnosed asthma, elevated psychological distress score, and elevated impact on sleep quality. The discrimination provided by these factors was further independent of age and sex.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions and Inferences<\/jats:title><jats:p>Overlap between IBS, FD, and heartburn (GERD) appears to be a distinct entity that has a profile including psychological morbidity, sleep disturbance, and elevated rates of atopy.<\/jats:p><\/jats:sec>","DOI":"10.1111\/nmo.14349","type":"journal-article","created":{"date-parts":[[2022,3,16]],"date-time":"2022-03-16T07:44:36Z","timestamp":1647416676000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":25,"title":["Overlap of heartburn, functional dyspepsia, and irritable bowel syndrome in a population sample: Prevalence, temporal stability, and associated comorbidities"],"prefix":"10.1111","volume":"34","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0565-4938","authenticated-orcid":false,"given":"Michael P.","family":"Jones","sequence":"first","affiliation":[{"name":"School of Psychological Sciences Macquarie University  North Ryde New South Wales Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ayesha","family":"Shah","sequence":"additional","affiliation":[{"name":"Department of Gastroenterology and Hepatology Princess Alexandra Hospital and Translational Research Institute (TRI)  Woolloongabba Queensland Australia"},{"name":"Faculty of Medicine University of Queensland  Brisbane Queensland Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marjorie M.","family":"Walker","sequence":"additional","affiliation":[{"name":"College of Health, Medicine and Well Being University of Newcastle  Newcastle New South Wales Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Natasha A.","family":"Koloski","sequence":"additional","affiliation":[{"name":"Department of Gastroenterology and Hepatology Princess Alexandra Hospital 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