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The Relationship of Dietary Omega-3 Fatty Acid and Omega-6 to Omega-3 Ratio Intake and Likelihood of Type 2 Diabetes in a Cross-Sectional Study Publisher Pubmed



Shakiba E1, 2 ; Pasdar Y1 ; Asoudeh F3 ; Najafi F1 ; Saber A4 ; Shakiba MH5 ; Bagheri A4
Authors

Source: BMC Endocrine Disorders Published:2024


Abstract

Background: There is a belief that consuming a significant amount of omega-3 and omega-6 fatty acids can positively affect chronic diseases. However, the connection between these fatty acids and type 2 diabetes mellitus (T2DM) risk remains unclear. To explore this further, we conducted a study to investigate the relationship between dietary intake of omega-3 and omega-6 fatty acids (FA), as well as omega-6 to omega-3 ratio, and the odds of T2DM. Methods: Our research involved a cross-sectional analysis of data from the Ravansar Non-Communicable Disease (RaNCD) cohort. We evaluated their dietary habits using a comprehensive 118-item food frequency questionnaire (FFQ). To determine the aforementioned association, we employed logistic regression analysis to calculate odds ratios (OR) and 95% confidence intervals (CIs). Results: The prevalence of T2DM among 8744 qualified participants was 751 (8.6%). After considering all the possible factors that could affect the outcome, high dietary omega-3 intake was associated with a 58% lower likelihood of T2DM (OR: 0.42; 95% CI: 0.32, 0.56; P-trend: <0.001). In contrast, participants at the fourth quartile of the dietary omega 6 to omega 3 FA ratio had a higher odd of T2DM (OR: 1.42; 95%CI: 1.11, 1.84; P-trend: 0.01). Nevertheless, there was no significant connection between the highest and lowest quartile of dietary omega-6 intake (OR: 0.91; 95% CI: 0.71, 1.17; P-trend: 0.80). Conclusion: According to the study, consuming omega-3 fatty acids through diet was linked with lower odds of type 2 diabetes. Conversely, an elevated omega-6 to omega-3 ratio was associated with a greater likelihood of T2DM. © The Author(s) 2024.
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