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J Head Trauma Rehabil. 2017 Sep/Oct;32(5):E1-E16. doi: 10.1097/HTR.0000000000000291.

Test-Retest Reliability of Traumatic Brain Injury Outcome Measures: A Traumatic Brain Injury Model Systems Study.

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Department of Physical Medicine and Rehabilitation, The Ohio State University, Columbus (Drs Bogner, MacDonald, and Corrigan); Craig Hospital Research Department, Englewood, Colorado (Dr Whiteneck, Ms Philippus, and Mr Mellick); Department of Physical Medicine and Rehabilitation, University of Pittsburgh, Pittsburgh, Pennsylvania (Drs Juengst and Arenth); Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, Minnesota (Dr Brown); Kessler Foundation, East Hanover, New Jersey (Dr Lengenfelder); and Department of Physical Medicine and Rehabilitation, Virginia Commonwealth University, Richmond (Ms Marwitz).



Evaluate the test-retest reliability of measures that comprise the Traumatic Brain Injury Model Systems follow-up data set.


A total of 224 persons with a moderate-severe traumatic brain injury (TBI) enrolled in the Traumatic Brain Injury Model Systems National Database.


Following standard administration of the follow-up interview, a second interview was administered 14 to 28 days later using the same interviewer and the same mode of administration.


Traumatic Brain Injury Model Systems follow-up interview that includes 66 variables comprised (a) single item measures of demographics; employment; general health as well as specific health conditions; rehospitalization; tobacco, alcohol, and other drug use; transportation; and mental health and (b) multi-item instruments: FIM; Participation Assessment With Recombined Tools-Objective; Disability Rating Scale; Glasgow Outcome Scale-Extended; Supervision Rating Scale; Satisfaction With Life Scale; TBI Quality of Life Anxiety and Depression items; and The Ohio State University TBI Identification Method.


Intraclass correlation coefficient values ranged from 0.65 to 0.99, weighted kappa values ranged from 0.54 to 0.99, and kappa values ranged from 0.43 to 1.00. Four kappa/weighted kappa estimates fell below 0.60: arrested, psychiatric hospitalization, number of days not in good physical health, and rating of general emotional health.


With few exceptions, good to excellent test-retest reliability estimates were obtained. The findings support the use of these measures in prior and future studies and indicate that persons with moderate-severe TBI can provide reliable self-report.

[Indexed for MEDLINE]

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