Table 3 Incidence of concussion in men’s and women’s soccer
From: Epidemiology of sports-related concussion in seven US high school and collegiate sports
No. (%) of concussions | Injury risk (incidence proportion) per seasona | Injury rate (incidence rate) per 100,000 athlete-exposures | |||||||
|---|---|---|---|---|---|---|---|---|---|
Athlete-seasons | Risk (%)a | 95 %CI | CLR | Athlete-exposures | Rate | 95 %CI | CLR | ||
Men’s soccer | 54 (100) | 4029 | 1.3 | 0.9, 1.6 | 1.7 | 285,931 | 18.9 | 13.9, 24.0 | 1.7 |
Exposure type | |||||||||
Games | 43 (79.6) | –– | –– | –– | –– | 79,890 | 53.8 | 37.7, 69.6 | 1.9 |
Practices | 9 (16.7) | –– | –– | –– | –– | 206,041 | 4.4 | 1.5, 7.2 | 4.8 |
Setting | |||||||||
High school (n = 97) | 49 (90.7) | 6661 | 1.3 | 0.9, 1.7 | 1.9 | 257,835 | 19.0 | 13.7, 24.3 | 1.8 |
College (n = 8) | 5 (9.3) | 368 | 1.4 | 0.2, 2.5 | 12.5 | 28,097 | 17.8 | 2.2, 33.4 | 15.2 |
Position | |||||||||
Goalkeeper | 11 (20.4) | 292 | 3.4 | 1.3, 5.5 | 4.2 | 20,717 | 53.1 | 21.7,84.5 | 3.9 |
Defense | 16 (29.6) | 1172 | 1.3 | 0.6, 1.9 | 3.2 | 83,279 | 19.2 | 9.8, 28.6 | 2.9 |
Midfield | 13 (24.1) | 1308 | 1.0 | 0.5, 1.5 | 3.0 | 92,820 | 14.0 | 6.4, 21.6 | 3.4 |
Forward | 14 (25.9) | 1196 | 1.2 | 0.6, 1.8 | 3.0 | 84,742 | 16.5 | 7.9, 25.2 | 3.2 |
Women’s soccer | 35 (100) | 3798 | 0.9 | 0.6, 1.2 | 2.0 | 259,678 | 13.5 | 9.0, 17.9 | 2.0 |
Exposure type | |||||||||
Games | 32 (91.4) | –– | –– | –– | –– | 65,923 | 48.5 | 31.7, 65.4 | 2.1 |
Practices | 3 (8.6) | –– | –– | –– | –– | 193,755 | 1.6 | 0.0, 3.3 | 0 |
Setting | |||||||||
High school (n = 94) | 31 (88.6) | 3443 | 0.9 | 0.6, 1.2 | 2.0 | 231,221 | 13.4 | 8.7, 18.1 | 2.1 |
College (n = 9) | 4 (11.4) | 355 | 1.1 | 0.03, 2.2 | 73 | 28,457 | 14.1 | 0.3, 27.8 | 99 |
Positionb | |||||||||
Goalkeeper | 8 (22.9) | 353 | 2.3 | 0.7, 3.8 | 5.4 | 24,301 | 32.9 | 10.1,55.7 | 5.5 |
Defense | 7 (20) | 1075 | 0.7 | 0.2, 1.1 | 5.5 | 73,967 | 9.5 | 2.5, 16.5 | 6.7 |
Midfield | 9 (25.7) | 1423 | 0.6 | 0.2, 1.0 | 5.0 | 97,019 | 9.3 | 3.2, 15.3 | 4.8 |
Forward | 9 (25.7) | 899 | 1.0 | 0.4, 1.7 | 4.3 | 61,095 | 14.7 | 5.1, 24.4 | 4.8 |