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Eur J Clin Nutr. 2009 Mar;63(3):413-20. Epub 2007 Nov 7.

Dietary carbohydrates, glycemic load and serum high-density lipoprotein cholesterol concentrations among South Indian adults.

Author information

  • 1Madras Diabetes Research Foundation & Dr Mohan's Diabetes Specialities Center, Gopalapuram, Chennai, India.

Abstract

OBJECTIVE:

To examine the relationship between dietary carbohydrates, glycemic load and high-density lipoprotein cholesterol (HDL-C) concentrations in Asian Indians, a high-risk group for diabetes and premature coronary artery disease.

SUBJECTS/METHODS:

The study population comprised of 2043 individuals aged >/=20 years randomly selected from Chennai Urban Rural Epidemiological Study (CURES), an ongoing population-based study on a representative population of Chennai (formerly Madras) city in southern India. Participants with self-reported history of diabetes or heart disease or on drug therapy for dyslipidemia were excluded from the study. Dietary carbohydrates, glycemic index and glycemic load were assessed using a validated interviewer administered semiquantitative Food Frequency Questionnaire (FFQ).

RESULTS:

Both dietary glycemic load (P<0.0001) and total dietary carbohydrate intake (P<0.001) were significantly associated with higher serum triglyceride levels and lower serum HDL-C levels. For the lowest to highest quintile of glycemic load, the multivariate-adjusted mean HDL-C values were 44.1 mg per 100 ml and 41.2 mg per 100 ml (6.6% difference, P for trend<0.001), while for total carbohydrate it was less (5% difference, P for trend=0.016). The pattern of decrease in HDL-C for the lowest to highest quintile of glycemic load was more pronounced among men (1st vs 5th quintile: adjusted HDL-C: 4.3 mg per 100 ml decrease (10.3%)) than women (1st vs 5th quintile: adjusted HDL-C: 3.2 mg per 100 ml decrease (6.9%)).

CONCLUSION:

Our findings indicate that both total carbohydrates and dietary glycemic load intake are inversely associated with plasma HDL-C concentrations among Asian Indians, with dietary glycemic load having a stronger association.

PMID:
17987051
[PubMed - indexed for MEDLINE]
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