Journal
JOURNAL OF HUMAN NUTRITION AND DIETETICS
Volume 28, Issue 3, Pages 236-245Publisher
WILEY
DOI: 10.1111/jhn.12242
Keywords
cereal fibre; fruit fibre; metabolic syndrome; vegetable fibre
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Funding
- Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran [750]
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BackgroundThe present study aimed to determine whether total fibre or specific fibre food sources are associated with the incidence of the metabolic syndrome (MetS) after 3years of follow-up in the Tehran Lipid and Glucose Study. MethodsThis population-based prospective study, conducted within the framework of the Tehran Lipid and Glucose Study, included 1582 adults, who were aged 19-84years and free of MetS at baseline. Usual dietary fibre intake was assessed at baseline using a 168-item food frequency questionnaire. Anthropometrics, blood pressure, and fasting blood glucose and lipid profiles were measured at baseline and 3years later. The MetS was defined according to the definition of the revised Adult treatment Panel III. ResultsDuring the 3-year follow-up, there was 15.2% incidence of MetS. Among sources of dietary fibre, fruit fibre was significantly and inversely associated with the occurrence of MetS, after adjustment for confounding factors, with a 21% lower risk [odds ratio (OR)=0.79, 95% confidence interval (CI)=0.60-0.97] in the highest tertile of intake compared to the lowest tertile. Subjects in the highest tertile of cereal fibre intake had lower odds of MetS compared to those in the lowest tertile (OR=0.73, 95% CI=0.52- 0.97) and this association disappeared after adjustment for confounders. No significant association was found between intakes of vegetables, legumes and nut fibre with the incidence of MetS. ConclusionsAmong specific fibre food sources, fruit fibre had a protective effect against the risk of MetS.
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