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Short-form activity measure for post-acute care.

Stephen M Haley1, Patricia L Andres, Wendy J Coster

  • 1Research and Training Center on Measuring Rehabilitation Outcomes, Center for Rehabilitation Effectiveness, Sargent College of Health and Rehabilitation Sciences, Boston University, Boston, MA, USA. smhaley@bu.edu

Archives of Physical Medicine and Rehabilitation
|April 15, 2004
PubMed
Summary

Item response theory (IRT) and item pooling developed short forms for monitoring postacute care functional recovery. These tools aid in assessing patient progress across various rehabilitation settings.

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Area of Science:

  • Rehabilitation Science
  • Psychometrics
  • Health Services Research

Background:

  • Monitoring functional recovery is crucial for effective postacute care.
  • Existing instruments may not adequately capture recovery across diverse settings.
  • Development of standardized, efficient measurement tools is needed.

Purpose of the Study:

  • To develop comprehensive short forms for monitoring postacute care functional recovery.
  • To utilize item response theory (IRT) and item pooling for instrument development.
  • To create paired sets of instruments for inpatient and community-based rehabilitation.

Main Methods:

  • Prospective study design.
  • Development of 6 short forms across 3 activity domains (physical & movement, applied cognition, personal care & instrumental).

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  • Utilized new and existing items, employing IRT and item pooling procedures.

    • Main Results:

    • Developed inpatient and community-based short forms for physical & movement, applied cognition, and personal care & instrumental domains.
    • Item selection focused on content coverage, information value, and minimizing ceiling/floor effects.
    • Achieved good item precision for physical & movement; applied cognition and personal care & instrumental were more challenging due to patient variability and ceiling effects.

    Conclusions:

    • IRT methods and item pooling were effective in creating paired short-form instruments.
    • These instruments provide a common metric for assessing functioning across postacute care settings.
    • The developed short forms are valuable for monitoring patient recovery in rehabilitation.