ROS, MAP, MARS, Clinical Core, LATC
History of head injury with loss of consciousness at baseline is self-reported based on two questions.
Q1: Have you EVER had a head injury?
1 = Yes (then branch to next question)
2 = No
IF YES then:
Q2: Have you EVER lost consciousness because of a head injury?
1 = Yes
2 = Suspect or possible
3 = No
|0||No history of head injury - No head injury reported or reported head injury without loss of consciousness (includes suspect or possible loss of consciousness)|
|1||History of head injury with loss of consciousness - Reported at baseline|
Note: these questions are asked at each annual assessment and the longitudinal version of this variable is available upon request