Egg consumption and insulin metabolism in the Insulin Resistance Atherosclerosis Study (IRAS)

Chee Tin Christine Lee, Angela D. Liese, Carlos Lorenzo, Lynne E. Wagenknecht, Steven M. Haffner, Marian J. Rewers, Anthony J. Hanley

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

Objective To examine the association between egg consumption and measures of insulin sensitivity (SI), acute insulin response (AIR) and metabolic clearance rate of insulin (MCRI). Design Cross-sectional analysis. Settings Egg consumption, categorized as <1/week, 1 to <3/week, 3 to <5/week and ≥5/week, was measured using a validated FFQ. SI, AIR and MCRI were determined from frequently sampled intravenous glucose tolerance tests. Subjects Non-diabetic participants (n 949) in the Insulin Resistance Atherosclerosis Study (IRAS). Results Egg consumption was inversely associated with SI and MCRI, and positively associated with fasting insulin in regression models adjusted for demographic, socio-economic, lifestyle and dietary factors (β = -0·22, 95 % CI -0·38, -0·045, P = 0·05 for SI; β = -0·20, 95 % CI -0·34, -0·055, P = 0·005 for MCRI; β = 0·35, 95 % CI 0·15, 0·54, P = 0·002 for fasting insulin; all P values for linear trend). These associations remained significant after additionally adjusting for energy intake or dietary saturated fat, although dietary cholesterol and BMI attenuated these associations to non-significance. Egg consumption was not associated with AIR. Conclusions Dietary cholesterol and BMI appear to mediate the inverse association of egg consumption with insulin sensitivity and clearance. Alternatively, egg consumption may be clustered with other dietary behaviours which increase BMI, hence negatively impacting on insulin sensitivity and clearance.

Original languageEnglish (US)
Pages (from-to)1595-1602
Number of pages8
JournalPublic Health Nutrition
Volume17
Issue number7
DOIs
StatePublished - Jul 2014
Externally publishedYes

Keywords

  • Egg consumption
  • Insulin clearance
  • Insulin sensitivity
  • Pancreatic β-cell function

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Nutrition and Dietetics
  • Public Health, Environmental and Occupational Health

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  • Cite this

    Lee, C. T. C., Liese, A. D., Lorenzo, C., Wagenknecht, L. E., Haffner, S. M., Rewers, M. J., & Hanley, A. J. (2014). Egg consumption and insulin metabolism in the Insulin Resistance Atherosclerosis Study (IRAS). Public Health Nutrition, 17(7), 1595-1602. https://doi.org/10.1017/S1368980013001572