Abstract
Background and aims
Limited evidence suggests habitual dairy consumption to be protective against metabolic
syndrome (MetSyn) and type 2 diabetes among older adults. We assessed the association
of baseline consumption of dairy products with the incidence of MetSyn and type 2
diabetes among a cohort of Australian adults aged 49 years and over.
Methods and results
A validated 145-item semi-quantitative food frequency questionnaire was used to assess
food and nutrient intake at baseline. Ten-year incidence of MetSyn and type 2 diabetes
were obtained from 1807 and 1824 subjects respectively. Odds ratios (OR) were calculated
by discrete time logistic regression modelling. Compared with subjects in the lowest
intake quartile of regular fat dairy products, those in the highest quartile had a
59% lower risk of MetSyn (multivariate adjusted OR: 0.41; 95% CI: 0.23–0.71; ptrend = 0.004), after adjustment for risk factors. Among obese subjects, an association
between a high intake of regular fat dairy foods and reduced risk of type 2 diabetes
was also found (age and sex adjusted OR 0.37; 95% CI: 0.16–0.88; ptrend = 0.030), but the association did not persist after adjustment for additional confounders.
There was no association between total dairy consumption and risk of MetSyn or type
2 diabetes.
Conclusions
We found an inverse association between regular fat dairy consumption and risk of
MetSyn among Australian older adults. Further studies are warranted to examine the
association between weight status, dairy consumption and risk of type 2 diabetes.
Keywords
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Article info
Publication history
Published online: October 01, 2012
Accepted:
August 5,
2012
Received in revised form:
July 24,
2012
Received:
December 23,
2011
Identification
Copyright
© 2012 Elsevier B.V. Published by Elsevier Inc. All rights reserved.
