Table 1.

2014 North Carolina Behavioral Risk Factor Surveillance System acquired brain injury and traumatic brain injury prevalence by cause

Cause	Total (N=201)	Weighted %	95% CI
Health problem (tumour, stroke, aneurism)	60	22.53	0.14 to 29.93
Other cause or multiple causes	28	14.02	7.33 to 20.71
Lack of oxygen to the brain (near drowning, drug overdose, heart attack/ failure, electrical shock)	3	1.10	0.00 to 2.51
Don’t know/not sure	3	2.83	0.00 to 6.45
Motor vehicle crash*	53	25.37	17.09 to 33.65
Fall*	21	10.38	5.13 to 15.63
Sports-related event*	18	15.27	7.64 to 22.91
Assault (violence inflicted by others, including a gunshot)*	8	5.68	0.93 to 10.43
Equestrian accident*	4	1.47	0.00 to 3.63
Bicycle crash*	3	1.34	0.00 to 3.00

^*Classified as a TBI.