Total concussions | n | Crude MD | Adjusted MD |
---|
MD | 95% CI | MD | 95% CI |
---|
Impulsivity (BIS15)a, b
| Â | Â | Â | Â | Â |
0 | 669 | 0 | Â | 0 | Â |
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
| Â | Â | Â | Â | Â |
0 | 672 | 0 | Â | 0 | Â |
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.
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aModels utilized continuous outcomes and predicted mean differences using linear regression.
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bAdjusted models control for alcohol dependence, family history of anxiety, relationship status, education (obtained post-graduate degree), played primary college sport professionally.
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cAdjusted models control for alcohol dependence, sex, relationship status , played primary college sport professionally, and current BMI.