{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,24]],"date-time":"2026-03-24T14:12:45Z","timestamp":1774361565054,"version":"3.50.1"},"reference-count":59,"publisher":"MDPI AG","issue":"7","license":[{"start":{"date-parts":[[2026,3,24]],"date-time":"2026-03-24T00:00:00Z","timestamp":1774310400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Nutrients"],"abstract":"<jats:p>Background: The Mediterranean diet (MedDiet) has been associated with anti-inflammatory effects and potential benefits in several chronic conditions. However, adherence to the MedDiet and its relationship with lifestyle factors and disease severity across different rheumatological diseases remain poorly characterized. Objectives: This study aimed to evaluate differences in MedDiet adherence among patients with rheumatoid arthritis (RA), psoriatic arthritis (PsA), and fibromyalgia (FM), and to explore its association with cardiovascular comorbidities, bowel habits, and disease-related outcomes. Methods: In this monocentric cross-sectional study, adherence to the MedDiet was assessed using the 14-item PREDIMED questionnaire. Self-reported data on sociodemographic characteristics, cardiovascular comorbidities, bowel habits, and dietary behaviors were collected through questionnaires. Disease activity and severity were assessed using validated disease-specific measures. Differences in MedDiet adherence across diagnostic groups were evaluated using non-parametric tests. Multivariable models were performed to examine associations between MedDiet adherence and cardiovascular comorbidities or disease outcomes, adjusting for potential confounders including age, sex, BMI, smoking status, and educational level. Results: A total of 422 participants were included (RA n = 165, PsA n = 85, FM n = 172). Significant differences in MedDiet adherence were observed across diagnostic groups (p &lt; 0.001), with the highest adherence in RA, intermediate values in PsA, and the lowest in FM. Compared with the other groups, a higher proportion of FM participants reported food intolerances (46.5%) and restrictive diets, including lactose-free (34.9%) and gluten-free (15.1%) diets. In the FM group, high adherence to the MedDiet was significantly associated with lower FIQR scores (\u03b2 = \u221216.9; 95% CI \u221232.1 to \u22121.7; p = 0.01) and lower PDS scores (\u03b2 = \u22124.34; 95% CI \u22127.81 to \u22120.86; p = 0.01). Sensitivity analyses using the continuous PREDIMED score confirmed these associations. Conclusions: Adherence to the MedDiet differs across rheumatological diseases, with the lowest adherence observed in FM. Higher adherence was associated with lower disease severity and impact in FM. These findings highlight the potential relevance of nutritional counselling in rheumatological diseases and support the need for longitudinal and interventional studies evaluating the role of the MedDiet within multidisciplinary disease management.<\/jats:p>","DOI":"10.3390\/nu18071019","type":"journal-article","created":{"date-parts":[[2026,3,24]],"date-time":"2026-03-24T12:58:59Z","timestamp":1774357139000},"page":"1019","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Lower Adherence to the Mediterranean Diet in Fibromyalgia Compared with Rheumatoid and Psoriatic Arthritis and Its Association with Disease Burden and Lifestyle Factors"],"prefix":"10.3390","volume":"18","author":[{"given":"Cristina","family":"Iannuccelli","sequence":"first","affiliation":[{"name":"Rheumatology Unit, AOU Policlinico Umberto I, Sapienza University of Rome, 00185 Rome, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0004-7777-6058","authenticated-orcid":false,"given":"Martina","family":"Favretti","sequence":"additional","affiliation":[{"name":"Department of Molecular Medicine, Sapienza University of Rome, 00185 Rome, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0503-0343","authenticated-orcid":false,"given":"Giulio","family":"Dolcini","sequence":"additional","affiliation":[{"name":"Department of Molecular Medicine, Sapienza University of Rome, 00185 Rome, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Carlo","family":"Cauli","sequence":"additional","affiliation":[{"name":"Rheumatology Unit, Department of Medical and Cardiovascular Sciences, Sapienza University of Rome, 00185 Rome, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Vincenzo","family":"Ferraro","sequence":"additional","affiliation":[{"name":"Rheumatology Unit, Department of Medical and Cardiovascular Sciences, Sapienza University of Rome, 00185 Rome, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Daniele","family":"Franculli","sequence":"additional","affiliation":[{"name":"Department of Medicine, Acquapendente Civil Hospital, 01021 Acquapendente, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9755-9334","authenticated-orcid":false,"given":"Giulia","family":"Scalese","sequence":"additional","affiliation":[{"name":"Gastroenterology Unit, Department of Translational and Precision Medicine, Sapienza University of Rome, 00185 Rome, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2889-8962","authenticated-orcid":false,"given":"Rossana","family":"Scrivo","sequence":"additional","affiliation":[{"name":"Rheumatology Unit, Department of Medical and Cardiovascular Sciences, Sapienza University of Rome, 00185 Rome, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fabrizio","family":"Conti","sequence":"additional","affiliation":[{"name":"Rheumatology Unit, Department of Medical and Cardiovascular Sciences, Sapienza University of Rome, 00185 Rome, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5468-2065","authenticated-orcid":false,"given":"Manuela","family":"Di Franco","sequence":"additional","affiliation":[{"name":"Rheumatology Unit, Department of Medical and Cardiovascular Sciences, Sapienza University of Rome, 00185 Rome, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2026,3,24]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"844","DOI":"10.1136\/annrheumdis-2019-215142","article-title":"The world-wide burden of musculoskeletal diseases: A systematic analysis of the World Health Organization Burden of Diseases Database","volume":"78","author":"Sebbag","year":"2019","journal-title":"Ann. 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