Estimated effect of concussion on salary of exposure group compared with control groups that suffered their concussion Δ=1, 2, 3, 4 and 5 years after the exposure group’s concussion event, measured at 2015-level. NExposure: 37 848
| Estimated salary effect (δ) | 95% CI | P value | NControl | |
| Δ=1 year | −€423 | (−€919 to 73) | 0.095 | 34 551 |
| Δ=2 years | −€825 | (−€1108 to −543) | <0.001 | 31 851 |
| Δ=3 years | −€1019 | (−€1331 to −707) | <0.001 | 29 922 |
| Δ=4 years | −€1126 | (−€1446 to −805) | <0.001 | 28 530 |
| Δ=5 years | −€1243 | (−€1564 to −922) | <0.001 | 27 421 |
Results obtained from estimations following Eq. (1). Models include controls for high school diploma, gender, age and observation year. Results obtained using reghdfe in Stata.