Journal
JOURNAL OF HEAD TRAUMA REHABILITATION
Volume 36, Issue 4, Pages E226-E232Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/HTR.0000000000000677
Keywords
adult; traumatic brain injury; cognition; inpatients; neuropsychological tests; psychometrics; telephone
Categories
Funding
- National Institute on Disability, Independent Living, and Rehabilitation Research [90DPTB0015, 90DPTB0009]
- National Institutes of Health National Institute on Neurological Disorders and Stroke [RF1NS115268-01]
- NIDILRR [90DPTB0009, 1004326, 90DPTB0015, 1004332] Funding Source: Federal RePORTER
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The Brief Test of Adult Cognition by Telephone (BTACT) showed significant correlations with established neuropsychological tests in cognitive, verbal memory, and executive function domains, validating its use in inpatient traumatic brain injury (TBI) populations.
Objective: To examine convergent validity of the Brief Test of Adult Cognition by Telephone (BTACT) by determining correlation with established neuropsychological tests, administered an average of 4.4 days apart, in an inpatient traumatic brain injury (TBI) population. Setting: Acute inpatient rehabilitation hospital. Participants: Fifty-five patients receiving inpatient rehabilitation for new-onset TBI (69.1% male; mean age = 37 years, SD = 14 years). Design: Cross-sectional, secondary data analysis. Main Measures: BTACT; California Verbal Learning Test-second edition (CVLT-2); Wechsler Adult Intelligence Scale-IV (WAIS-IV) Digit Span; Trail Making Test; semantic fluency; phonemic fluency; Symbol Digit Modalities Test; Wisconsin Card Sorting Test. Results: The BTACT was significantly associated with established neuropsychological tests across composite scores of overall cognition (r = 0.64, P < .001), episodic verbal memory (r = 0.66, P < .001), and executive function (r = 0.56, P < .001). For BTACT subtests, Word List Immediate Recall and Word List Delayed Recall were correlated with CVLT-2 learning trials total score (r = 0.57, P < .01) and long delay free recall (r = 0.60, P < .001), respectively. BTACT Digits Backward correlated with WAIS-IV Digit Span (r = 0.51, P < .01). BTACT Animal Fluency was associated with semantic fluency (r = 0.65, P < .01), phonemic fluency (r = 0.60, P < .01), and Trail Making Test Part B (r = 0.39, P < .01). Conclusion: BTACT composite scores of overall cognition, verbal memory, and executive function demonstrate initial convergent validity in a TBI inpatient population. Future research should examine validity in a larger sample of individuals with TBI.
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