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Empirically Derived Food-Based Inflammatory Potential of the Diet, Irritable Bowel Syndrome, and Its Severity Publisher Pubmed



Salarimoghaddam A1, 2 ; Keshteli AH3, 4 ; Esmaillzadeh A2, 5, 6 ; Adibi P4
Authors
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Authors Affiliations
  1. 1. Students’ Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
  3. 3. Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
  4. 4. Integrative Functional Gastroenterology Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
  5. 5. Obesity and Eating Habits Research Center, Endocrinology and Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
  6. 6. Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran

Source: Nutrition Published:2019


Abstract

Objective: To our knowledge, no studies have examined the association between the empirically derived food-based dietary inflammatory index (FDII) and irritable bowel syndrome (IBS). The aim of this study was to examine the relationship between the FDII score and IBS in a large sample of Iranian adults. Methods: In this cross-sectional study, the dietary intakes of 3363 adults were assessed using a validated dish-based 106-item semi-quantitative food frequency questionnaire (DS-FFQ). The FDII was calculated based on the dietary intakes of food groups derived from DS-FFQ. IBS was assessed using a modified Persian version of the Rome III questionnaire. Results: Participants in the top quintile of the FDII score had a 42% greater risk for IBS than those in the bottom quintile (odds ratio [OR], 1.42; 95% confidence interval [CI], 1.08–1.88). Among women, we observed a significant direct association between the FDII score and IBS after adjustment for potential confounders (OR, 1.44; 95% CI, 1.01–2.04). By body mass index (BMI) status, normal weight subjects (BMI <25 kg/m 2 ) in the top quintile of the FDII score had higher risk for IBS (OR, 1.60; 95% CI, 1.07–2.35) than those in the bottom quintile. These associations were not observed in men or in participants with a BMI ≥25 kg/m 2 . There was no significant association between the FDII score and IBS subtypes. No significant association between the FDII score and IBS severity was observed. Conclusions: Consumption of a pro-inflammatory diet was associated with increased risk for IBS, especially in women and in individuals with a BMI <25 kg/m 2 . © 2019 Elsevier Inc.
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