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Background & Objectives: There is little known about the relation between metabolic
syndrome and fiber intake are available in Iran. We evaluated the relation
between total, and various types and sources of dietary fiber and the
prevalence of the metabolic syndrome.
Methods: In this cross sectional study, 2457
adults, aged 19-84 years were studied. Total dietary fiber intake and its types
and sources were assessed using a validated semi quantitative food-frequency
questionnaire. Blood pressure, Anthropometric, and biochemical measurements
were assessed. The metabolic syndrome was defined according to definition by
Iranian National Committee of Obesity.
Results: In the
multivariate-adjusted odds ratio, intakes of total (OR: 0.53 95% CI:
0.39-0.74), both soluble
(OR: 0.60 95% CI: 0.43-0.84) and insoluble dietary fiber (OR: 0.51 95% CI:
0.35-0.72), fruit fiber
(OR: 0.51 95% CI: 0.37-0.72), legume fiber (OR: 0.73 95% CI: 0.53-0.99) and
cereal fiber
(OR: 0.74 95% CI: 0.57-0.97) were inversely associated with the metabolic
syndrome. There was not significant association between using vegetable and nut
fiber and prevalence of metabolic syndrome.
Conclusion: Total
dietary fiber, both soluble and insoluble fibers, and especially fruit and
legumes fibers, reduce the metabolic syndrome among adults in Tehran.
