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Factors related to concussion using the Lasso regression analysis
| Incidence rate ratio | Front-on tackle | Side-on tackle | All directions |
|---|---|---|---|
| Head-in-front | 3.93 | 7.81 | 5.77 |
| Below the hip | 1.13 | ||
| Elite | 1.78 | 1.36 | |
| Area 1 | 0.82 | ||
| Duration 1 | 1.04 | 1.01 | |
| Number of phases | 1.02 |
