Concussion history | Relative risk for poor academic standing, RR (95% CI) |
No concussion | Ref |
Any concussion | 1.25 (1.10 to 1.42) |
0 concussion | Ref |
1 concussion | 1.11 (0.95 to 1.29) |
2+ concussion | 1.50 (1.26 to 1.78) |
Poisson regression used to predict poor academic standing in analyses. Good academic standing: mostly A’s and B’s, poor academic standing: mostly C’s, D’s and F’s.
Bolding indicates p<0.05.
RR, relative risk.