The Development of a New Computer-Adaptive Test to Evaluate Strain in Caregivers of Individuals With TBI

TBI-CareQOL Caregiver Strain

Noelle E. Carlozzi*, Michael Anthony Kallen, Phillip A. Ianni, Elizabeth A Hahn, Louis M. French, Rael T. Lange, Tracey A. Brickell, Robin Hanks, Angelle M. Sander

*Corresponding author for this work

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Objective: To develop a new measure of caregiver strain for use in caregivers of individuals with traumatic brain injury (TBI), Traumatic Brain Injury Caregiver Quality of Life (TBI-CareQOL) Caregiver Strain. Design: Qualitative data, literature reviews, and cross-sectional survey study. Setting: Three TBI Model Systems rehabilitation hospitals, an academic medical center, and a military medical treatment facility. Participants: Caregivers (N=560) of civilians (n=344) or service members/veterans (SMVs) with TBI (n=216). Interventions: Not applicable. Main Outcome Measure: TBI-CareQOL Caregiver Strain Item Bank. Results: Exploratory and confirmatory factor analyses, a graded response model (GRM) and differential item functioning supported the retention of 33 items in the final measure. GRM calibration data was used to inform the selection of a 6-item static short form, and to program the TBI-CareQOL Caregiver Strain computer-adaptive test (CAT). CAT simulation analyses indicated a 0.97 correlation between the CAT scores and the full item-bank. Three-week test-retest reliability was strong (r=0.83). Conclusions: The new TBI-CareQOL Caregiver Strain CAT and corresponding 6-item short form were developed using established rigorous measurement development standards; this is the first self-reported measure developed to evaluate caregiver strain in caregivers of individuals with TBI.

Original languageEnglish (US)
Pages (from-to)S13-S21
JournalArchives of physical medicine and rehabilitation
Volume100
Issue number4
DOIs
StatePublished - Apr 1 2019

Fingerprint

Caregivers
Cross-Sectional Studies
Traumatic Brain Injury
Veterans
Reproducibility of Results
Calibration
Statistical Factor Analysis
Rehabilitation
Quality of Life
Outcome Assessment (Health Care)

Keywords

  • Caregiver
  • Health-related quality of life
  • Military family
  • Patient reported outcome
  • Rehabilitation
  • Traumatic brain injury
  • Veterans

ASJC Scopus subject areas

  • Physical Therapy, Sports Therapy and Rehabilitation
  • Rehabilitation

Cite this

Carlozzi, Noelle E. ; Kallen, Michael Anthony ; Ianni, Phillip A. ; Hahn, Elizabeth A ; French, Louis M. ; Lange, Rael T. ; Brickell, Tracey A. ; Hanks, Robin ; Sander, Angelle M. / The Development of a New Computer-Adaptive Test to Evaluate Strain in Caregivers of Individuals With TBI : TBI-CareQOL Caregiver Strain. In: Archives of physical medicine and rehabilitation. 2019 ; Vol. 100, No. 4. pp. S13-S21.
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The Development of a New Computer-Adaptive Test to Evaluate Strain in Caregivers of Individuals With TBI : TBI-CareQOL Caregiver Strain. / Carlozzi, Noelle E.; Kallen, Michael Anthony; Ianni, Phillip A.; Hahn, Elizabeth A; French, Louis M.; Lange, Rael T.; Brickell, Tracey A.; Hanks, Robin; Sander, Angelle M.

In: Archives of physical medicine and rehabilitation, Vol. 100, No. 4, 01.04.2019, p. S13-S21.

Research output: Contribution to journalArticle

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T1 - The Development of a New Computer-Adaptive Test to Evaluate Strain in Caregivers of Individuals With TBI

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AU - Carlozzi, Noelle E.

AU - Kallen, Michael Anthony

AU - Ianni, Phillip A.

AU - Hahn, Elizabeth A

AU - French, Louis M.

AU - Lange, Rael T.

AU - Brickell, Tracey A.

AU - Hanks, Robin

AU - Sander, Angelle M.

PY - 2019/4/1

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N2 - Objective: To develop a new measure of caregiver strain for use in caregivers of individuals with traumatic brain injury (TBI), Traumatic Brain Injury Caregiver Quality of Life (TBI-CareQOL) Caregiver Strain. Design: Qualitative data, literature reviews, and cross-sectional survey study. Setting: Three TBI Model Systems rehabilitation hospitals, an academic medical center, and a military medical treatment facility. Participants: Caregivers (N=560) of civilians (n=344) or service members/veterans (SMVs) with TBI (n=216). Interventions: Not applicable. Main Outcome Measure: TBI-CareQOL Caregiver Strain Item Bank. Results: Exploratory and confirmatory factor analyses, a graded response model (GRM) and differential item functioning supported the retention of 33 items in the final measure. GRM calibration data was used to inform the selection of a 6-item static short form, and to program the TBI-CareQOL Caregiver Strain computer-adaptive test (CAT). CAT simulation analyses indicated a 0.97 correlation between the CAT scores and the full item-bank. Three-week test-retest reliability was strong (r=0.83). Conclusions: The new TBI-CareQOL Caregiver Strain CAT and corresponding 6-item short form were developed using established rigorous measurement development standards; this is the first self-reported measure developed to evaluate caregiver strain in caregivers of individuals with TBI.

AB - Objective: To develop a new measure of caregiver strain for use in caregivers of individuals with traumatic brain injury (TBI), Traumatic Brain Injury Caregiver Quality of Life (TBI-CareQOL) Caregiver Strain. Design: Qualitative data, literature reviews, and cross-sectional survey study. Setting: Three TBI Model Systems rehabilitation hospitals, an academic medical center, and a military medical treatment facility. Participants: Caregivers (N=560) of civilians (n=344) or service members/veterans (SMVs) with TBI (n=216). Interventions: Not applicable. Main Outcome Measure: TBI-CareQOL Caregiver Strain Item Bank. Results: Exploratory and confirmatory factor analyses, a graded response model (GRM) and differential item functioning supported the retention of 33 items in the final measure. GRM calibration data was used to inform the selection of a 6-item static short form, and to program the TBI-CareQOL Caregiver Strain computer-adaptive test (CAT). CAT simulation analyses indicated a 0.97 correlation between the CAT scores and the full item-bank. Three-week test-retest reliability was strong (r=0.83). Conclusions: The new TBI-CareQOL Caregiver Strain CAT and corresponding 6-item short form were developed using established rigorous measurement development standards; this is the first self-reported measure developed to evaluate caregiver strain in caregivers of individuals with TBI.

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