Preinjury employment status as a risk factor for symptomatology and disability in mild traumatic brain injury: A TRACK-TBI analysis

Yue JK, Rick JW, Morrissey MR, Taylor SR, Deng H, Suen CG, Vassar MJ, Cnossen MC, Lingsma HF, Yuh EL, Mukherjee P, Gardner RC, Valadka AB, Okonkwo DO, Cage TA, Manley GT; TRACK-TBI Investigators.