Objective: To link scores on commonly used measures of anxiety (7-item Generalized Anxiety Disorder Scale; GAD-7) and depression (9-item Patient Health Questionnaire; PHQ-9) to the Traumatic Brain Injury Quality of Life (TBI-QOL) measurement system.
Setting: 5 Traumatic Brain Injury Model Systems.
Participants: A total of 385 individuals with traumatic brain injury (TBI) (31% complicated mild; 14% moderate; and 54% severe).
Design: Observational cohort.
Main Measures: GAD-7, PHQ-9, TBI-QOL Anxiety v1.0 and TBI-QOL Depression v1.0.
Results: Item response theory-based linking methods were used to create crosswalk tables that convert scores on the GAD-7 to the TBI-QOL Anxiety metric and scores on the PHQ-9 to the TBI-QOL Depression metric. Comparisons between actual and crosswalked scores suggest that the linkages were successful and are appropriate for group-level analysis. Linking functions closely mirror crosswalks between the GAD-7/PHQ-9 and the Patient-Reported Outcomes Measurement Information System (PROMIS), suggesting that general population linkages are similar to those from a TBI sample.
Conclusion: Researchers and clinicians can use the crosswalk tables to transform scores on the GAD-7 and the PHQ-9 to the TBI-QOL metric for group-level analyses.
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Center for Health Assessment Research and Translation, College of Health Sciences (Drs Boulton, Tyner, and Tulsky and Ms Kisala) and Departments of Physical Therapy and Psychological & Brain Sciences (Dr Tulsky), University of Delaware, Newark; Educational Psychology Department, The University of Texas at Austin (Dr Choi); H. Ben Taub Department of Physical Medicine and Rehabilitation, Baylor College of Medicine and Harris Health System, Houston, Texas (Dr Sander); TIRR Memorial Hermann, Houston, Texas (Drs Sander and Sherer); Department of Physical Medicine and Rehabilitation, Northwestern University Feinberg School of Medicine, Chicago, Illinois (Dr Heinemann); Shirley Ryan AbilityLab, Chicago, Illinois (Dr Heinemann); Rusk Rehabilitation, NYU Langone Health, New York, New York (Dr Bushnik); Kessler Foundation, East Hanover, New Jersey (Dr Chiaravalloti); and Department of Physical Medicine & Rehabilitation, Rutgers New Jersey Medical School, Newark (Dr Chiaravalloti).
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A comparison of PHQ-9 and TBI-QOL depression measures among individuals with traumatic brain injury.
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Department of Physical Therapy.
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View Article and Find Full Text PDFPsychometric evaluation of the pediatric and parent-proxy Patient-Reported Outcomes Measurement Information System and the Neurology and Traumatic Brain Injury Quality of Life measurement item banks in pediatric traumatic brain injury.
Qual Life Res
July 2017
Center on Assessment Research and Translation, Departments of Physical Therapy and Psychological and Brain Sciences, University of Delaware, Newark, DE, USA.
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