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Methodology
Reliability of percentage ideal weight for height
  1. Vanessa J Poustiea,
  2. Ruth M Watlingb,
  3. Deborah Ashbyc,
  4. Rosalind L Smytha
  1. aInstitute of Child Health, Royal Liverpool Children's Hospital, Alder Hey, Liverpool L12 2AP, UK, bDepartment of Dietetics and Nutrition, Royal Liverpool Children's Hospital, cWolfson Institute of Preventive Medicine, Queen Mary & Westfield College, London EC1M 6BQ, UK
  1. Professor Smyth email:r.l.smyth{at}liv.ac.uk

Abstract

AIMS To assess the reliability of percentage ideal weight for height (%WFH) as a measure in children.

METHODS Forty two dietitians calculated %WFH of six children. Eleven of the 42 repeated the calculations.

RESULTS Interexaminer estimates varied by 16.5 to 40 percentage points (mean 27.8). Intraexaminer variability was also large.

CONCLUSIONS %WFH is an unreliable measure of nutritional status.

  • weight for height
  • nutritional status
  • reliability

https://doi.org/10.1136/adc.83.2.183

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