Hellenic Journal of Nutrition and Dietetics

ISSN 1792-4030

English | Ελληνικά

Hellenic Journal of Nutrition and Dietetics

Journal Information

6. Indices for the assessment of diet quality
Georgia Kourloumpa 1 , Demosthenis Panagiotakos 1 email author
1 Department of Dietetics and Nutritional Science, Harokopion University, Athens
pages: 44-54, doi:1792-4030-1-6
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dietary index, methodology used to develop dietary indices, number of components, number of partitions

Aim: Indices are composite tools aiming to measure and quantify a variety of clinical conditions, behaviors, attitudes and beliefs that are difficult to be measured quantitatively and accurately. In this review, the methodology used to develop dietary indices and their relationship with health determinants and outcomes is discussed. Methods: Pubmed was searched (up to June 2008) using the keywords diet/dietary score, diet/dietary index, diet quality, dietary patterns. Moreover, cited references from selected articles were also used to find additional studies that were not retrieved in the initial search in Pubmed. Results: In brief, the already proposed indices are adequate tools concerning the evaluation of diet quality, but they have shown moderate predictive ability in relation to chronic diseases and health determinants. The aforementioned weaknesses could be attributed to: inappropriate selection of the components (i.e., number or content of dietary information), selection of small number of cut-off points for each component and/or equal contribution of all index items to the calculation of the total score. Conclusion: Dietary indices are important tools to evaluate not only the diet quality, but also the relationship between dietary habits and several health outcomes. However, a methodological frame for the development of dietary indices should be proposed.

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