TABLE 1.
Player Demographic Characteristics: Concussion vs Nonconcussion Groupsa
| Demographic Data | |||
|---|---|---|---|
| Position | No. | Mean Career Experience, y | Mean Age, y |
| Concussion | 307 | 3.2 | 27.5 |
| QB | 23 | 4.7 | 31.2 |
| WR | 45 | 3.6 | 28.4 |
| RB | 36 | 2.4 | 26.2 |
| TE | 32 | 3.3 | 28.2 |
| OL | 42 | 2.0 | 26.2 |
| DL | 21 | 1.5 | 25.0 |
| LB | 34 | 2.8 | 26.4 |
| DB | 59 | 4.1 | 28.6 |
| Other | 15 | 4.4 | 26.0 |
| Nonconcussion | 5587 | 3.2 | 25.8 |
| QB | 231 | 4.7 | 28.1 |
| WR | 683 | 3.1 | 25.7 |
| RB | 531 | 3.1 | 25.6 |
| TE | 331 | 3.4 | 26.4 |
| OL | 878 | 2.0 | 24.4 |
| DL | 838 | 1.8 | 23.7 |
| LB | 800 | 3.7 | 26.4 |
| DB | 1074 | 4.2 | 27.5 |
| Other | 221 | 5.5 | 27.0 |
| Total | 5894 | 3.2 | 25.9 |
| P value between groups | .294 | .065 | |
aDB, defensive back; DL, defensive lineman; LB, linebacker; OL, offensive lineman; QB, quarterback; RB, running back; TE, tight end; WR, wide receiver.