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Assessment of Child Anthropometry in a Large Epidemiologic Study
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Equipping the community to measure children's height: the reliability of portable instruments

L D Voss1, B J Bailey

  • 1Southampton General Hospital.

Archives of Disease in Childhood
|June 1, 1994
PubMed

Insights

Both inexpensive and expensive height measuring instruments show similar reliability. Inexperienced observers can measure height as reliably as experienced ones, emphasizing consistent long-term monitoring by the same individual.

Area of Science:

  • Anthropometry
  • Biomedical instrumentation

Background:

  • Accurate height measurement is crucial for monitoring child growth and development.
  • The reliability of various measuring instruments and observer experience in community settings requires investigation.

Purpose of the Study:

  • To compare the reliability of expensive versus inexpensive height measuring instruments.
  • To assess the reliability of experienced versus inexperienced observers in height measurement.

Main Methods:

  • Children aged 5-12 years were measured multiple times using different portable instruments by experienced and inexperienced observers.
  • Precision was quantified using the standard deviation of a single height measurement (SDshm).

Main Results:

  • No significant precision differences were found between inexpensive and expensive instruments (SDshm 0.22-0.34 cm).
  • Experienced and inexperienced observers demonstrated comparable precision in height measurements.
  • Absolute height readings varied significantly between observers, even with similar techniques.

Conclusions:

  • Inexpensive height measuring devices are as reliable as expensive ones when properly installed.
  • Observer experience does not significantly impact measurement precision.
  • Consistent, long-term monitoring by the same observer is recommended for tracking individual child progress.
Abstract

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