Mayo-portland adaptability inventory: Comparing psychometrics in cerebrovascular accident to traumatic brain injury

James F. Malec, Jacob Kean, Irwin M. Altman, Shannon Swick

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Malec JF, Kean J, Altman IM, Swick S. Mayo-Portland Adaptability Inventory: comparing psychometrics in cerebrovascular accident to traumatic brain injury. Objectives: (1) To evaluate the measurement reliability and construct validity of the Mayo-Portland Adaptability Inventory, 4th revision (MPAI-4) in a sample consisting exclusively of patients with cerebrovascular accident (CVA) using single parameter (Rasch) item-response methods; (2) to examine the differential item functioning (DIF) by sex within the CVA population; and (3) to examine DIF and differential test functioning (DTF) across traumatic brain injury (TBI) and CVA samples. Design: Retrospective psychometric analysis of rating scale data. Setting: Home- and community-based brain injury rehabilitation program. Participants: Individuals post-CVA (n=861) and individuals with TBI (n=603). Interventions: Not applicable. Main Outcome Measure: MPAI-4. Results: Item data on admission to community-based rehabilitation were submitted to Rasch, DIF, and DTF analyses. The final calibration in the CVA sample revealed satisfactory reliability/separation for persons (.91/3.16) and items (1.00/23.64). DIF showed that items for pain, anger, audition, and memory were associated with higher levels of disability for CVA than TBI patients; whereas, self-care, mobility, and use of hands indicated greater overall disability for TBI patients. DTF analyses showed a high degree of association between the 2 sets of items (R=.92; R2=.85) and, at most, a 3.7 point difference in raw scores. Conclusions: The MPAI-4 demonstrates satisfactory psychometric properties for use with individuals with CVA applying for interdisciplinary posthospital rehabilitation. DIF reveals clinically meaningful differences between CVA and TBI groups that should be considered in results at the item and subscale level.

Original languageEnglish
Pages (from-to)2271-2275
Number of pages5
JournalArchives of Physical Medicine and Rehabilitation
Volume93
Issue number12
DOIs
StatePublished - Dec 2012

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Psychometrics
Stroke
Equipment and Supplies
Rehabilitation
Traumatic Brain Injury
Anger
Self Care
Reproducibility of Results
Brain Injuries
Calibration
Hearing
Hand
Outcome Assessment (Health Care)
Pain
Population

Keywords

  • Outcome assessment (health care)
  • Rehabilitation
  • Stroke

ASJC Scopus subject areas

  • Rehabilitation
  • Physical Therapy, Sports Therapy and Rehabilitation

Cite this

Mayo-portland adaptability inventory : Comparing psychometrics in cerebrovascular accident to traumatic brain injury. / Malec, James F.; Kean, Jacob; Altman, Irwin M.; Swick, Shannon.

In: Archives of Physical Medicine and Rehabilitation, Vol. 93, No. 12, 12.2012, p. 2271-2275.

Research output: Contribution to journalArticle

Malec, James F. ; Kean, Jacob ; Altman, Irwin M. ; Swick, Shannon. / Mayo-portland adaptability inventory : Comparing psychometrics in cerebrovascular accident to traumatic brain injury. In: Archives of Physical Medicine and Rehabilitation. 2012 ; Vol. 93, No. 12. pp. 2271-2275.
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