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The association between the intake of specific dietary components and lifestyle factors and microscopic colitis

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Author

Summary, in English

Background/Objectives:The incidence of microscopic colitis (MC) has increased over the previous decades. In addition to smoking and drugs, currently unidentified environmental factors may have a role. The aim of this study was to determine whether specific dietary or other lifestyle factors were associated with the development of MC.Subject/Methods:The population-based cohort Malmö Diet and Cancer Study of 28 095 individuals was examined. Information about dietary habits was collected by a modified diet history method. Data on anthropometry were measured, and socio-economic and lifestyle factors were collected by questionnaires. Cases of MC were identified in medical registers. Associations were estimated using Cox regression analysis.Results:During a 22-year period, 135 patients were diagnosed with MC. Intakes of protein, carbohydrates, sucrose, saturated fat, monounsaturated fat, polyunsaturated fat, omega-3 or omega-6 fatty acids, fibre and zinc were not associated with MC. We could verify the previously reported association between MC and smoking (hazard ratio (HR): 2.29; 95% confidence interval (CI): 1.66–3.84) and the female gender (HR: 3.57; 95% CI: 2.22–5.74). High alcohol consumption was associated with an increased risk for MC (HR: 1.89 for the highest quartile; 95% CI: 0.82–4.33, P for trend=0.032). In a post hoc analysis, alcohol intake including all patients independently of consumption seemed to reduce the smoking-related risk.Conclusions:Despite a large cohort and a long follow-up period, we could not detect any dietary risk factors for MC. The aetiological mechanisms behind the positive impact of smoking and alcohol on MC risk should be investigated.European Journal of Clinical Nutrition advance online publication, 27 July 2016; doi:10.1038/ejcn.2016.130.

Publishing year

2016-11

Language

English

Pages

1309-1317

Publication/Series

European Journal of Clinical Nutrition

Volume

70

Issue

11

Document type

Journal article

Publisher

Nature Publishing Group

Topic

  • Gastroenterology and Hepatology

Status

Published

Research group

  • Gastroenterology
  • Nutrition Epidemiology
  • Internal Medicine - Epidemiology
  • Surgery

ISBN/ISSN/Other

  • ISSN: 0954-3007