4.7 Article

Starchy Vegetables and Metabolic Syndrome in Costa Rica

Journal

NUTRIENTS
Volume 13, Issue 5, Pages -

Publisher

MDPI
DOI: 10.3390/nu13051639

Keywords

Costa Rican adults; metabolic syndrome (MetS); total starchy vegetables; unhealthy starchy vegetables; healthy starchy vegetables; potatoes; purple sweet potatoes

Funding

  1. National Institutes of Health, Bethesda, MD, USA [HL49086, HL60693]

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Studies have found that while there is a positive association between starchy vegetable consumption and MetS prevalence in Costa Rican adults, there is no significant trend after adjusting for confounders. Consuming total starchy vegetables and healthy starchy vegetables is significantly inversely associated with fasting blood glucose levels. Starchy vegetables may be part of a healthy dietary pattern in this population.
Only a few studies primarily examined the associations between starchy vegetables (other than potatoes) and metabolic syndrome (MetS). We aimed to evaluate the association between starchy vegetables consumption and MetS in a population-based sample of Costa Rican adults. We hypothesized that a higher overall intake of starchy vegetables would not be associated with higher MetS prevalence. In this cross-sectional study, log-binomial regression models were used to estimate prevalence ratios (PRs) of MetS across quintiles of total, unhealthy, healthy starchy vegetables, and individual starchy vegetables (potatoes, purple sweet potatoes, etc.), among 1881 Costa Rican adults. Least square means and 95% confidence intervals (CIs) from linear regression models were estimated for each MetS component by categories of starchy vegetable variables. Higher intakes of starchy vegetables were associated with a higher prevalence of MetS in crude models, but no significant trends were observed after adjusting for confounders. A significant inverse association was observed between total starchy and healthy starchy vegetables consumption and fasting blood glucose. In this population, starchy vegetables might be part of a healthy dietary pattern.

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