Risk of negative outcomes after traumatic brain injury: A statewide population-based survey

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Study investigated the rates of negative outcomes associated with all severities of traumatic brain injury (TBI), treated in all settings or not treated at all, in comparison to the general population. A statewide population-based survey of 2,701 Coloradoans was conducted using the computer-assisted, modified Ohio State University TBI Identification Method; Behavioral Risk Factor Surveillance System and National Health Interview Survey questions; Satisfaction with Life Scale; and measures of postconcussive symptoms. Each respondent was categorized into 1 of 6 injury severity groups based on the most severe injury they reported in their lifetime: no injury, injury without TBI, mild TBI without loss of consciousness, mild TBI, moderate TBI, or severe TBI. Up to 42.5 percent of participants reported a lifetime history of at least 1 TBI. Results demonstrate clear associations between a lifetime history of TBI and both current negative outcomes and postconcussive symptoms. Multiple negative outcomes were found to increase in prevalence in a stepwise fashion in association with greater TBI severity, with the clearest patterns observed for disability, poor life satisfaction, and impaired memory.

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