Table 1.
Sample summary
| Variable | Black participants | White participants | All participants |
|---|---|---|---|
| Female (%) | 58.4 | 61.1 | 59.3 |
| Enrollment age (%) | |||
| 40 to 49 | 48.6 | 37.7 | 45.2 |
| 50 to 59 | 35.2 | 36.2 | 35.5 |
| 60 to 69 | 13.5 | 21.9 | 16.1 |
| 70 to 74 | 2.7 | 4.1 | 3.1 |
| Race (%) | |||
| Black | 100.0 | 0 | 69.1 |
| White | 0 | 100.0 | 30.9 |
| Family history of colorectal cancer (%) | |||
| Yes | 5.9 | 8.4 | 6.7 |
| Don't know | 7.2 | 4.4 | 6.3 |
| Colorectal cancer, 10-y (%) | 1.5 | 1.3 | 1.4 |
| Colorectal cancer, ever (%) | 2.0 | 1.6 | 1.9 |
| Mortality (%) | 25.3 | 27.1 | 25.9 |
| Number of participants | 53,805 | 24,031 | 77,836 |