Table 1. Demographics by group (healthy, concussed) and population (civilian, Service Member) (M ± SD).

Demographics by Group (Civilians and Service Members Collapsed)
Category	Healthy (n = 154)	Concussion History (n = 62)	p-value
Height (cm)	171.99 ± 9.70	171.43 ± 12.59	0.749
Weight (kg)	70.93 ± 13.82	75.26 ± 16.19	0.072
Time from concussion to testing (weeks)	N/A	10.13 ± 8.67	N/A
Healthy and Concussion History within Each Population
Population	Civilians		Service Members
Category	Healthy (n = 100)	Concussion History (n = 44)	Healthy (n = 54)	Concussion History (n = 18)
Height (cm)	171.99 ± 9.70	170.08 ± 13.87	N/A	174.72 ± 8.13
Weight (kg)	70.93 ± 13.82	73.75 ± 17.90	N/A	78.94 ± 13.46
Time from concussion to testing (weeks)	N/A	6.52 ± 6.32	N/A	18.16 ± 8.15