Table 1 Self-reported concussion associated with playing position and professional status
Position and Status | Yes | No | Total | OR | P value | |||
|---|---|---|---|---|---|---|---|---|
| Â | n | (%) | n | (%) | n | (%) | Â | Â |
Goalkeeper | ||||||||
 Pro | 0 | (0) | 7 | (100) | 7 | (100) |  |  |
 Semi-pro | 0 | (0) | 9 | (100) | 9 | (100) | 1.3 (0.2–73.2) | 0.9 |
Defender | ||||||||
 Pro | 2 | (11) | 16 | (89) | 18 | (100) |  |  |
 Semi-pro | 10 | (39) | 16 | (61) | 26 | (100) | 5.0 (1.0–36.9) | 0.045 |
Defender/midfielder | ||||||||
 Pro | 0 | (0) | 2 | (100) | 2 | (100) |  |  |
 Semi-pro | 0 | (0) | 2 | (100) | 2 | (100) | 1.0 (0.01–80.0) | 0.99 |
Midfielder | ||||||||
 Pro | 2 | (12) | 15 | (88) | 17 | (100) |  |  |
 Semi-pro | 2 | (4) | 22 | (96) | 24 | (100) | 2.8 (0.2–90.1) | 0.38 |
Attacker | ||||||||
 Pro | 2 | (50) | 2 | (50) | 4 | (100) |  |  |
 Semi-pro | 3 | (18) | 14 | (82) | 17 | (100) | 4.2 (0.5–47.6) | 0.17 |