Table 1.

Linear regressions between BMI and ImPACT composite scores ^a

	B	SE	β	t	p	ΔR2
Verbal memory
Control variables	0.024	0.016	0.114	1.501	0.132	0.042
Full model	−0.002	0.001	−0.076	−1.129	0.260	0.004
Visual memory
Control variables	0.012	0.022	0.042	0.551	0.582	0.027
Full model	−0.004	0.002	−0.152	−2.240	0.026	0.015
Visual motor speed
Control variables	0.186	1.287	0.011	0.145	0.885	0.021
Full model	−0.117	0.116	−0.069	−1.008	0.314	0.003
Reaction time
Control variables	−0.005	0.014	−0.029	−0.381	0.704	0.012
Full model	0.000	0.001	0.006	0.085	0.933	0.000
Impulse control
Control variables	−0.270	0.292	−0.071	−0.924	0.356	0.009
Full model	0.086	0.206	0.029	0.419	0.675	0.001

^aControlvariables included gender, number of past concussions, age, and sport.