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Table 5 The factors related to the risk ratio of head-in-front tackles

From: Risk Factors for Concussion in Under 18, Under 22 and Professional Men's Rugby Union: A Video Analysis of 14,809 Tackles

Incidence rate ratio

Front-on tackle

Side-on tackle

All directions

U18

1.13

1.11

1.17

Elite

0.75

0.98

0.77

Positional mismatch

 

1.15

0.95

 1st quarter

1.05

0.99

1.00

 2nd quarter

 

1.20

1.00

 3rd quarter

 

0.93

0.95

Player position

 Forwards

0.96

0.56

0.92

 Backs

 

1.00

1.00

 Area 1

1.26

 

1.26

 Area 2

1.02

  

 Area 3

 

1.10

 

 Area 4

 

0.76

0.95

 Area 5

0.98

 

0.97

Score difference

1.00

 

1.00

Final score difference

 

1.00

1.00

Duration 1

0.98

1.05

0.95

Duration 2

0.95

0.96

0.88

Number of phases

1.00

0.99

1.00