(2020) The relationship between dietary patterns and rheumatoid arthritis: a case-control study. Nutrition & Metabolism.
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Abstract
Background and aim A number of studies have investigated the effects of individual foods and/or nutrients on rheumatoid arthritis (RA), but research focusing on whole dietary patterns remains limited. The association of dietary patterns and rheumatoid arthritis is therefore not well elucidated. This study aims to determine existing relationships between major identified dietary patterns and RA. Methods This matched case-control study was conducted on 297 individuals in Isfahan, Iran. The presence of RA was determined by an expert rheumatologist, based on the American College of Rheumatology definitions, 2010. A 168-item questionnaire was used to collect dietary data. Major dietary patterns were identified using the factor analysis method. Results Two major dietary patterns, namely, healthy and western dietary patterns, were identified. Lower adherence to the healthy dietary pattern was associated with increased risk of RA (OR = 2.80; 95 CI 1.74-4.67;P < 0.001). The association remained significant even after taking other confounders into account (OR = 2.85; 95 CI 1.12-7.45;P = 0.03). A positively significant association was also observed between adherence to western dietary pattern and RA in the fully-adjusted final model (OR = 2.22; 95 CI 1.04-4.72;P = 0.03). Conclusions The study suggests that there is an inverse association between adherence to a healthy dietary pattern and the odds of RA, and a positive significant relationship was found between western dietary pattern and RA. Further studies are required to confirm these findings.
Item Type: | Article |
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Keywords: | Rheumatoid arthritis Dietary patterns Factor analysis Incidence Case-control MEDITERRANEAN DIET FISH CONSUMPTION RISK-FACTORS OLIVE OIL COSTS VALIDITY QUALITY RATIO MEAT N-3 |
Subjects: | QU Biochemistry. Cell Biology and Genetics > QU 145-220 Nutrition. Vitamins |
Divisions: | Faculty of Health > Department of Epidemiology and Biostatistics School of Nutrition and Food Sciences > Department of Community Nutrition Other |
Journal or Publication Title: | Nutrition & Metabolism |
Journal Index: | ISI |
Volume: | 17 |
Number: | 1 |
Identification Number: | https://doi.org/10.1186/s12986-020-00502-7 |
Depositing User: | Zahra Otroj |
URI: | http://eprints.mui.ac.ir/id/eprint/13362 |
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