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Eur J Clin Nutr. 2001 May;55(5):342-8.

Fruit and vegetable intake and population glycosylated haemoglobin levels: the EPIC-Norfolk Study.

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1
Department of Public Health and Primary Care, University of Cambridge, Institute of Public Health, Cambridge, UK.

Abstract

OBJECTIVE:

To investigate whether self-reported frequency of fruit and vegetable consumption was associated with HbA(1C) levels in individuals not known to have diabetes, and what dietary and lifestyle factors might explain this association.

DESIGN:

Cross-sectional study.

SETTING:

The EPIC-Norfolk Study, a population-based cohort study of diet and chronic disease.

SUBJECTS AND METHODS:

A total of 2678 men and 3318 women (45-74 y) not known to have diabetes reported weekly consumption of fruit, green leafy vegetables and other vegetables.

RESULTS:

Among men, 274 (10.2%) reported seldom or never eating fruit and 127 (4.7%) seldom or never eating green leafy vegetables. Corresponding numbers in women were 157 (4.7%) and 92 (2.8%), respectively. Participants who reported never or seldom having both fruit and green leafy vegetables had higher mean (s.d.) HbA(1C) measurements (5.43% (0.71)) than those who reported more frequent consumption (5.34% (0.67); P=0.046). Differences by category of fruit or green leafy vegetable consumption were not substantially changed after adjustment for saturated fat, dietary fibre and plasma vitamin C.

CONCLUSION:

These findings support the hypothesis that high intake of fruit and green leafy vegetables may influence glucose metabolism independent of dietary fibre or vitamin C alone and that increased consumption may contribute to the prevention of diabetes.

PMID:
11378807
DOI:
10.1038/sj.ejcn.1601162
[Indexed for MEDLINE]
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