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Dietary patterns and risk of ulcerative colitis: a case-control study
S Rashvand1, M Behrooz1, M Samsamikor2
1Department of Biochemistry and Diet Therapy, Nutrition Research Center, Faculty of Nutrition, Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran.
Summary
Adopting a healthy diet significantly reduces the risk of developing ulcerative colitis (UC). Conversely, an unhealthy dietary pattern is linked to a higher risk of UC, highlighting the importance of diet in disease prevention.
Area of Science:
- Gastroenterology and Nutrition Science
- Inflammatory Bowel Disease Research
Background:
- Emerging evidence suggests dietary factors play a role in ulcerative colitis (UC) pathogenesis.
- Understanding the link between diet and UC is crucial for public health.
Purpose of the Study:
- To investigate the association between distinct dietary patterns and the risk of developing ulcerative colitis (UC).
- To quantify the risk reduction or increase associated with adherence to healthy versus unhealthy dietary patterns.
Main Methods:
- A case-control study involving 62 newly diagnosed UC patients and 124 healthy controls.
- Dietary intake assessed using a validated food frequency questionnaire.
- Factor analysis employed to identify major dietary patterns based on food groups and nutrient content.
Main Results:
- A healthy dietary pattern was associated with a 79% lower risk of UC (OR=0.21, 95% CI=0.07-0.59).
- An unhealthy dietary pattern significantly increased UC risk (OR=3.39, 95% CI=1.16-9.90).
- Results remained significant after adjusting for potential confounding factors.
Conclusions:
- Dietary patterns are significantly associated with the risk of developing ulcerative colitis (UC).
- Promoting healthy dietary patterns may be a viable strategy for UC risk reduction.
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