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Eur J Clin Nutr. 2013 Apr;67(4):330-6. doi: 10.1038/ejcn.2013.26. Epub 2013 Feb 13.

Baseline dietary patterns are a significant consideration in correcting dietary exposure for weight loss.

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  • 1School of Health Sciences, University of Wollongong, Wollongong, New South Wales, Australia. sjg930@uowmail.edu.au

Abstract

BACKGROUND/OBJECTIVES:

Dietary pattern studies are traditionally the domain of epidemiological research. From a clinical perspective, there is a need to explore the effects of changing food and dietary patterns of individuals. The aim was to identify patterns of food choice in the context of a clinical weight loss trial. Cluster analysis based on reported serves of food groups revealed dietary patterns informative for the clinical setting.

SUBJECTS/METHODS:

Cluster analysis was conducted using diet history data from two clinical trials at baseline, and outcomes at 3 months were reviewed based on these clusters (n=231). The cluster solution was analysed using defined food groups in serves and with respect to clinical parameters and requirements for selected nutrients.

RESULTS:

Two distinct dietary patterns were identified from the reported baseline dietary intakes. Subjects in Cluster 1 reported food patterns characterised by higher intakes of low-fat dairy and unsaturated oils and margarine and were generally more closely aligned to food choices encouraged in national dietary guidelines. Subjects in Cluster 2 reported a dietary pattern characterised by non-core foods and drinks, higher- and medium-fat dairy foods, fatty meats and alcohol. At 3 months, Cluster 2 subjects reported greater reductions in energy intake (-5317 kJ; P<0.001) and greater weight loss (-5.6 kg; P<0.05) compared with Cluster 1.

CONCLUSIONS:

Overweight subjects with reported dietary patterns similar to dietary guidelines at baseline may have more difficulty in reducing energy intake than those with poor dietary patterns. Correcting exposure to non-core foods and drinks was key to successful weight loss.

PMID:
23403877
[PubMed - indexed for MEDLINE]
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