Table 3

HIA number, propensity and proportion to tackler as a result of various types of head contact

HIAs to tacklerPropensity (95% CI), HIAs per 1000 events% of HIAs to the tackler (95%) CI
Head–head8411.30 (9.13 to 14.00)78 (69 to 85)
Head–elbow136.35 (3.69 to 10.94)100
Head–knee193.09 (1.97 to 4.85)61 (44 to 76)
Head–hip711.72 (1.36 to 2.17)97 (91 to 99)
Head–shoulder461.69 (1.27 to 2.26)65 (54 to 75)
Head–arm201.37 (0.88 to 2.12)36 (25 to 50)
Head–lower leg181.36 (0.86 to 2.17)82 (61 to 93)
Head–ground10.73 (0.10 to 5.20)17 (3 to 56)
Head–upper body420.46 (0.34 to 0.62)79 (67 to 88)
Head–upper leg150.43 (0.26 to 0.72)83 (61 to 94)
Whiplash327 (10 to 57)
Head–equipment0
Head–hand (fist)375.0 (30 to 95)
  • HIA, head injury assessment.