Association between concussion and mental health in former collegiate athletes

Table 8 Mean differences of impulsivity and aggression, by self-reported college and professional sport concussion history

Total concussions	n	Crude MD		Adjusted MD
Total concussions	n	MD	95% CI	MD	95% CI
Impulsivity (BIS15)^{a, b}
0	669	0		0
1	65	1.7	(0.2, 3.2)	0.8	(-0.7, 2.3)
2	21	2.2	(-0.4, 4.9)	1.7	(-0.9, 4.3)
3+	27	1.8	(-0.5, 4.1)	1.5	(-0.7, 3.7)
Aggression (BPAQ-SF)^{a, c}
0	672	0		0
1	66	1.5	(-0.4, 3.3)	0.4	(-1.4, 2.2)
2	21	3.9	(0.7, 7.1)	2.5	(-0.8, 5.7)
3+	27	3.3	(0.5, 6.2)	2.1	(-0.7, 4.9)

NOTE: BIS15 = Short Form of the Barratt Impulsiveness scale; BPAQ-SF = 12-item Short Form of the Buss-Perry Aggression Questionnaire; MD = Mean difference; CI = Confidence interval.
^aModels utilized continuous outcomes and predicted mean differences using linear regression.
^bAdjusted models control for alcohol dependence, family history of anxiety, relationship status, education (obtained post-graduate degree), played primary college sport professionally.
^cAdjusted models control for alcohol dependence, sex, relationship status , played primary college sport professionally, and current BMI.

ISSN: 2197-1714