Lifetime prevalence of traumatic brain injury with loss of consciousness

Objective

To determine the prevalence of lifetime history of traumatic brain injury (TBI) with loss of consciousness (LOC) among adult, non-institutionalised residents of Ohio.

Methods

We analysed data from 2014 Ohio Behavioral Risk Factor Surveillance System, which included a state-specific module designed to elicit lifetime history of TBI.

Results

Of non-institutionalised adults 18 years and over living in Ohio, 21.7% reported at least one lifetime TBI with LOC, 2.6% experienced at least one moderate or severe such injury, 9.1% experienced a TBI with LOC before age 15 years and 10.8% experienced either TBI with LOC before age 15 years or a moderate or severe injury. Males, those with lower incomes and those unable to work were more likely to have incurred at least one TBI with LOC, multiple TBIs with LOC, a moderate or severe TBI and a TBI with LOC before age15.

Conclusions

One in five adults experienced TBIs of sufficient severity to cause LOC; 3% experienced at least one moderate or severe TBI and almost 10% experienced a first TBI with LOC before the age of 15 years. The prevalence of lifetime TBI in the present study suggests that there may be a substantially greater burden of injury than concluded from previous prevalence estimates.

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