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Developing concise measures of childhood activity limitations.

Thomas Wells1, Dennis Hogan

  • 1Population Studies and Training Center, Brown University. Providence, Rhode Island 02912, USA. thomas_wells@brown.edu

Maternal and Child Health Journal
|July 23, 2003
PubMed
Summary
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Researchers developed concise survey sets to measure childhood activity limitations, finding that fewer items can yield comparable estimates for general population surveys. Question wording is crucial for accurate measurement.

Area of Science:

  • Child Health Research
  • Survey Methodology
  • Disability Measurement

Background:

  • National health surveys aim to identify childhood disability but often use lengthy item sets.
  • Extensive questionnaires limit the feasibility of including disability measures in general population surveys.

Purpose of the Study:

  • To determine if concise survey item sets can accurately measure functional limitations in children.
  • To assess the feasibility of using shorter measures in general population surveys.

Main Methods:

  • Analysis of three nationally representative population surveys with detailed childhood activity limitation questions.
  • Systematic elimination of survey items to identify concise measurement sets.
  • Evaluation of estimate comparability using reduced item sets.

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Main Results:

  • It is possible to reduce the number of survey items for measuring childhood activity limitations while maintaining comparable estimates.
  • Concise measures, as few as six items, can be developed for inclusion in general population surveys.
  • Estimates were not comparable across surveys due to variations in question types and wording.

Conclusions:

  • The wording and validation of survey questions are critical for accurate disability measurement.
  • A recommended concise set of items can be utilized for measuring childhood activity limitations in general population surveys.