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- Title
Utility of the Validity-10 scale across the recovery trajectory following traumatic brain injury.
- Authors
Lippa, Sara M.; Lange, Rael T.; Bailie, Jason M.; Kennedy, Jan E.; Brickell, Tracey A.; French, Louis M.
- Abstract
The Validity-10 scale was recently developed to screen for symptom exaggeration in patients following traumatic brain injury (TBI). However, it has only been validated on patients with TBI largely in the chronic phase of recovery. The influence of time since injury on the Validity-10 scale was investigated in 2,661 male servicemembers with TBI presenting to six U.S. Defense and Veterans Brain Injury Centers. Participants completed the Neurobehavioral Symptom Inventory (NSI). The Validity-10 scale and NSI total score were both weakly statistically significantly (1) positively correlated with time since injury, (2) negatively correlated with bodily injury severity, and (3) higher in participants undergoing medical board evaluations than in participants who returned to duty or were still hospitalized. Participants were statistically more likely to screen positive for possible symptom exaggeration on the Validity-10 scale as time since injury increased. However, the Validity-10 scale was only weakly related to time since injury, TBI severity, bodily injury severity, disposition, age, and return to duty status. That false positives are not increased in the acute phase of recovery and that the Validity-10 scale is not strongly related to clinical factors support the use of the Validity-10 scale in the acute recovery phase and across the TBI recovery trajectory.
- Subjects
CALIFORNIA; MARYLAND; TEXAS; ANALYSIS of covariance; BRAIN injuries; CHI-squared test; CONVALESCENCE; EMPLOYMENT reentry; INTERVIEWING; RESEARCH methodology; MILITARY hospitals; HEALTH outcome assessment; PROBABILITY theory; QUESTIONNAIRES; REGRESSION analysis; RESEARCH evaluation; SCALE analysis (Psychology); SELF-evaluation; MILITARY personnel; STATISTICS; DATA analysis; SEVERITY of illness index; RESEARCH methodology evaluation; REHABILITATION for brain injury patients; POSTCONCUSSION syndrome; TRAUMA severity indices; SYMPTOMS
- Publication
Journal of Rehabilitation Research & Development, 2016, Vol 53, Issue 3, p379
- ISSN
0748-7711
- Publication type
Article
- DOI
10.1682/JRRD.2015.01.0009