Table 1.
Demographic characteristics of 45 retired National Football League (NFL) players a
| Characteristic | Mean (±SD) or n (%) |
|---|---|
| Age, y | 46.7 (±9.1) |
| Height, in | 75.0 (±1.8) |
| Weight, lb | 254.9 (±45.9) |
| Body mass index | 31.4 (±4.8) |
| Learning disability | 10 (22.2) |
| NFL position | |
| Quarterback | 0 (0) |
| Runningback/fullback | 2 (4) |
| Wide receiver | 2 (4) |
| Tight end | 1 (2) |
| Offensive lineman | 9 (20) |
| Defensive lineman | 9 (20) |
| Safety/cornerback | 9 (18) |
| Linebacker | 14 (32) |
| Football experience, y | |
| Pre–high school | 2.5 (±2.3) |
| High school and college | 7.7 (±1.0) |
| NFL training camp | 6.8 (±3.2) |
| Played other contact sports | 5 (11) |
| Prior sport-related concussion | |
| Football | 9.0 (±6.9) |
| NFL | 6.9 (±6.2) |
| Prior sport-related “dings” | |
| Football | 14.9 (±7.9) |
| NFL | 13.0 (±7.9) |
| Nonsport-related head injury | |
| Concussion | 0.2 (±0.4) |
| Other head injury | 0.1 (±0.3) |
| Alcohol or drug suspension | 0 (0) |
a
Reprinted with permission from Solomon et al.60