Table 2.
Sample Demographic and Athletic Characteristics
| DEMOGRAPHICS / ATHLETICS | Total Sample (N = 366) | |
|---|---|---|
| Age of death | Mean | SD |
| Years | 61.86 | 18.90 (range 17-100) |
| Sex | n | % |
| Female | 0 | 0 |
| Racial Identity | n | % |
| White | 297 | 81.8 |
| Black | 63 | 17.1 |
| American Indian/Alaska Native | 2 | 0.6 |
| Native Hawaiian/Pacific Islander | 1 | 0.3 |
| Other | 1 | 0.3 |
| Education Level | n | % |
| No or some high school | 5 | 1.4 |
| High school/GED | 17 | 4.7 |
| Some college, no degree | 75 | 20.6 |
| College degree | 180 | 49.5 |
| More than college/Graduate degree | 87 | 23.9 |
| Military history | n | % |
| Yes | 90 | 25.0 |
| Primary sport | n | % |
| American football | 304 | 85.4 |
| Duration of American football play | Mean | SD |
| Years | 14.37 | 5.49 |
| Highest level played | n | % |
| Youth/High school | 20 | 6.6 |
| College | 92 | 30.3 |
| Semi-professional | 33 | 10.9 |
| Professional | 159 | 52.3 |
Due to missing data, N = 364 for education level, N = 363 for racial identity; N = 360 for military history; and N = 356 for football as primary sport. Duration of American football play and highest level of played are based on the 304 brain donors whose primary sport was football.