TABLE 2.

Comparison of Mild TBI and Control Groups on Premorbid Factors

Premorbid FactorsMild TBIControls
Intervention (n = 61)Nonintervention (n = 58)Intervention (n = 45)Nonintervention (n = 47)P Value
History of previous head injury23%16%10%17%.41
Neurological or psychiatric problems31%18%15%21%.24
Learning difficulties23%18%12%15%.47
Premorbid stressors27%20%22%14%.45