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Nutrición Hospitalaria

On-line version ISSN 1699-5198Print version ISSN 0212-1611

Abstract

VAZQUEZ-RUIZ, Zenaida et al. Egg consumption and dyslipidemia in a Mediterranean cohort. Nutr. Hosp. [online]. 2018, vol.35, n.1, pp.153-161. ISSN 1699-5198.  http://dx.doi.org/10.20960/nh.1347.

Introduction and objectives:

Our aim was to prospectively evaluate the association between egg consumption and dyslipidemia in a Mediterranean cohort.

Methods:

We followed-up 13,104 Spanish university graduates for a mean period of 8 years. Dietary habits at baseline were assessed using a validated semi-quantitative 136-item food-frequency questionnaire. Self-reported blood concentrations of total cholesterol, high-density lipoproteins cholesterol (HDL-c) and triglycerides were evaluated according to categories of egg consumption after 6 and 8 years of follow-up. We also assessed the association between baseline egg consumption and the incidence of hypercholesterolemia, low HDL-c concentrations and hypertriglyceridemia during follow-up.

Results:

We observed a significant inverse association for intermediate levels of egg consumption (2 to 4 eggs/week vs. less than 1 egg/week) and hypertriglyceridemia with OR = 0.71 (95% confidence interval [CI]: 0.54 to 0.93, p < 0.05) in the multivariable-adjusted model. Using HDL-c values after 8-year follow-up, we found an association between higher egg consumption and lower HDL-c levels (p for trend = 0.02) with an adjusted difference of -4.01 mg/dl (-7.42 to -0.61) for > 4 vs. < 1 egg/week. Lower means of triglycerides were found in each of the three upper categories of egg consumption compared to the lowest category (< 1 egg/week) with significant results for some of these categories both after 6 and 8 year follow-up.

Conclusions:

Our data do not support that higher egg consumption was associated with abnormal blood levels of total cholesterol or triglycerides; an inverse association with HDL-c as a quantitative variable was found only in one of our analyses.

Keywords : Egg consumption; Cohort. Cholesterol; HDL-c; Triglycerides; Dyslipidemia.

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