Table 2 Tackler and Ball Carrier HIAs for different contacts with opponent’s body
HIA events | Propensity (HIAs per 1000 events) | 95% CI | Incidence (matches per event) | |
|---|---|---|---|---|
Tackler HIAs as a function of tackler's head contact with ball carrier | ||||
Head | 58 | 10.31 | 7.96–13.33 | 6.93 |
Shoulder | 66 | 0.64 | 0.5–0.81 | 6.09 |
Hip | 47 | 2.91 | 2.18–3.87 | 8.55 |
Forearm | 5 | 0.22 | 0.09–0.52 | 80.40 |
Elbow | 25 | 99.50 | 67.23–147.25 | 16.08 |
Arm | 7 | 2.14 | 1.02–4.49 | 57.43 |
Hand | 14 | 3.36 | 1.98–5.66 | 28.71 |
Torso | 3 | 0.03 | 0.01–0.1 | 134.00 |
Thigh | 8 | 1.68 | 0.83–3.35 | 50.25 |
Knee | 17 | 56.38 | 35.05–90.7 | 23.65 |
Boot | 12 | 79.60 | 45.2–140.16 | 33.50 |
Playing surface | 5 | 99.50 | 41.41–239.06 | 80.40 |
Buttocks | 6 | 10.85 | 4.87–24.16 | 67.00 |
Back | 8 | 0.23 | 0.11–0.45 | 50.25 |
Unidentifiable | 2 | |||
Ball carrier HIAs as a function of ball carrier's head contact with tackler | ||||
Head | 27 | 5.60 | 3.83–8.16 | 14.89 |
Shoulder | 49 | 0.47 | 0.35–0.62 | 8.20 |
Hip | 3 | 3.98 | 1.28–12.34 | 134.00 |
Forearm | 9 | 8.96 | 4.65–17.21 | 44.67 |
Elbow | 1 | 19.90 | 2.8–141.28 | 402.00 |
Arm | 30 | 0.91 | 0.63–1.3 | 13.40 |
Hand | 6 | 0.17 | 0.07–0.37 | 67.00 |
Torso | 10 | 0.10 | 0.05–0.17 | 40.20 |
Thigh | 2 | 2.84 | 0.71–11.36 | 201.00 |
Knee | 5 | 3.43 | 1.42–8.24 | 80.40 |
Boot | 1 | 19.90 | 2.8–141.28 | 402.00 |
Playing surface | 18 | |||
Buttocks | 0 | 0.00 | ||
Back | 0 | 0.00 | ||
Ball | 0 | 0.00 | ||
Lower leg | 1 | |||
Unidentifiable | 1 | |||