Association of Diet Quality Scores with Risk of Metabolic-associated Fatty Liver Disease in Iranian Population: a Nested Case-control Study
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Background And Aim: A healthy diet has been recommended for non-alcoholic fatty liver disease (NAFLD). We aim to investigate the associations of diet quality indices with the risk of developingmetabolic-associated fatty liver disease (MAFLD).
Methods: We conducted this nested case-control study by recruiting 968 cases with MAFLD and 964 controls from the participants of the baseline phase of the Sabzevar Persian Cohort Study (SPCS). MAFLD was defined as having a fatty liver index ≥ 60 plus at least one of the following: overweight or obese, Type II diabetes mellitus, or evidence of metabolic dysregulation. Healthy Eating Index-2015 (HEI-2015) and Alternative Healthy Eating Index-2010 (AHEI-2010) were calculated from a validated food frequency questionnaire. We estimated the associations of HEI-2015 and AHEI-2010 with MAFLD risk using multivariable logistic regression.
Results: Among those in the highest relative to the lowest quintile of HEI-2015 and AHEI-2010, the multivariable-adjusted odds ratios (OR) were 0.45 (95% CI [confidence interval] 0.29-0.69; = 0.002) and 0.55 (95% CI 0.35-0.85; = 0.04), respectively.
Conclusion: The results of our study suggest that there is a significant associationbetween adherence to a healthy diet, indicated by a higher score of HEI or AHEI, and a reduced likelihood of developingMAFLD.
Supplementary Information: The online version contains supplementary material available at 10.1007/s40200-024-01544-x.