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A comparative study of two nutrient data bases.

D Shanklin, J M Endres, M Sawicki

    Journal of the American Dietetic Association
    |March 1, 1985
    PubMed
    Summary
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    Comparing nutrient databases revealed significant discrepancies in infant, child, and women's dietary intake calculations. Differences in energy and nutrient values stemmed from database update timing and data sources.

    Area of Science:

    • Nutrition Science
    • Dietary Assessment
    • Data Analysis

    Background:

    • Accurate dietary intake assessment relies on comprehensive nutrient databases.
    • Variations in these databases can impact nutritional research and public health recommendations.
    • Existing nutrient databases may present inconsistencies affecting data interpretation.

    Purpose of the Study:

    • To compare nutrient calculations between two major dietary assessment systems.
    • To identify specific nutrients and population groups where discrepancies are most pronounced.
    • To explore the reasons behind observed differences in nutrient data.

    Main Methods:

    • Analysis of reported dietary intake records for infants, young children, and women.
    • Utilized the Second National Health and Nutrition Examination Survey (NHANES II) and the Nutrient Dietary Data Analysis (NDDA) System.

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  • Compared energy and nutrient composition data between the two database systems.

    • Main Results:

    • Significant differences found in potassium and niacin for infants.
    • Energy and nine other nutrients showed discrepancies for women and children.
    • Common food items exhibited varying nutrient compositions across the databases.
    • Discrepancies attributed to update timing, data sources, and procedural differences.

    Conclusions:

    • Nutrient database variations can significantly affect dietary intake assessments.
    • Establishing a standardized national nutrient database is recommended.
    • Comprehensive reviews of existing databases are necessary for reliable nutritional data.