Objective: Epidemiologic studies linking carbohydrate consumption and risk for metabolic syndrome (MetS) are limited. The association between low-carbohydrate-diet score and MetS has not been investigated. The aim of this study was to investigate low-carbohydrate-diet score in relation to MetS among a group of Iranian women.
Method: This cross-sectional study was conducted with 442 Iranian female teachers >20 y of age. Usual dietary intakes were assessed using a validated, dish-based semiquantitative food frequency questionnaire. Metabolic syndrome was defined according to the American Heart Association/National Heart, Lung, and Blood Institute/International Diabetes Federation definition guidelines.
Results: The prevalence of MetS in the lowest and highest quintile of low-carbohydrate-diet score was 17.5% and 18.8%, respectively (P = 0.97). There was no statistically significant difference in the prevalence between extreme quartiles low-carbohydrate-diet score and MetS (odds ratio, 0.93; 95% confidence interval, 0.38-2.28). After controlling for age, energy intake, and other potential confounders, low-carbohydrate-diet score was not significantly associated with MetS. A significant association was observed between this score and abnormal fasting plasma glucose. We failed to find a significant relationship between this score and other components of MetS.
Conclusions: Diets with lower amounts of carbohydrate and higher contents of fat and protein were not significantly associated with the risk for MetS in a cross-sectional study with a group of Iranian women. More longitudinal studies are needed to confirm these results.
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