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Related Experiment Videos

Caveat emptor: assessing needs, evaluating computer options.

J Dwyer, C W Suitor

    Journal of the American Dietetic Association
    |March 1, 1984
    PubMed
    Summary
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    Automated diet analysis systems vary in features and cost. Differences in results were observed between systems and operators, highlighting the need for careful selection and validation by nutrition professionals.

    Area of Science:

    • Dietetics and Nutritional Science
    • Health Informatics
    • Computer Science Applications in Health

    Background:

    • Numerous diet analysis systems and software exist for dietitians.
    • These tools vary significantly in database content, cost, usability, and reporting features.
    • Mechanized diet analysis offers potential benefits but requires careful consideration of its value versus cost.

    Purpose of the Study:

    • To compare the characteristics of available diet analysis services and microcomputer programs.
    • To evaluate the consistency of results from different diet analysis systems and operators.
    • To inform nutrition professionals about the variability and reliability of automated diet analysis tools.

    Main Methods:

    • A comparative analysis of seven mail-order diet analysis services and five microcomputer programs.

    Related Experiment Videos

  • Evaluation of nutrient analysis for a one-day food record using multiple systems.
  • Assessment of coding variations by three different operators across systems.

    • Main Results:

    • Significant differences in diet analysis results were found between various systems.
    • Operator variability also contributed to discrepancies in reported nutrient data.
    • The reliability and validity of data from some automated systems remain uncertain.

    Conclusions:

    • Nutritionists must be aware of potential inconsistencies in automated diet analysis tools.
    • Careful system comparison and cost-benefit analysis are crucial for non-research applications.
    • Dietitians using computerized analysis are responsible for verifying results and interpreting them accurately.