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Body weight estimation in the Italian elderly.

L M Donini1, M R de Felice, L de Bernardini

  • 1Istituto Geriatrico Villa delle Querce, Nemi, Italy.

The Journal of Nutrition, Health & Aging
|September 19, 2000
PubMed
Summary

New equations predict weight in elderly Italians using simple measurements. These anthropometric equations offer accurate weight estimations for older men and women, aiding health assessments.

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Area of Science:

  • Gerontology
  • Human Physiology
  • Anthropometry

Background:

  • Accurate weight assessment is crucial for elderly health monitoring and nutritional status evaluation.
  • Recumbent anthropometry offers a practical method for measuring individuals with mobility limitations.
  • Existing weight prediction equations may not be specific to the elderly Italian population.

Purpose of the Study:

  • To develop and validate sex-specific equations for predicting body weight in elderly Italians.
  • To utilize readily available recumbent anthropometric measures as independent variables.
  • To establish the predictive accuracy of these new equations.

Main Methods:

  • Data from 172 elderly Italian females and 113 elderly Italian males were used.
  • Independent variables included knee stature, subscapular skinfold, arm, and calf circumferences.

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  • Cross-validation was performed on independent free-living samples of 54 females and 30 males.

    • Main Results:

    • Developed distinct predictive equations for elderly Italian males and females.
    • Equations demonstrated good predictive accuracy, with 95% confidence intervals of +/- 4.9 kg for males and +/- 6.1 kg for females.
    • Cross-validation confirmed the reliability of the equations in a free-living context.

    Conclusions:

    • The developed anthropometric equations provide a reliable method for estimating body weight in elderly Italians.
    • These tools can aid healthcare professionals in nutritional and health assessments of the elderly population.
    • The equations are practical for use in clinical and research settings where direct weight measurement may be challenging.