Table 1.
Demographic characteristics of the study participants (N = 278)
| Age (years) | N (%) |
| <20 | 7 (2.5) |
| 20–39 | 53 (19) |
| 40–59 | 89 (32) |
| 60–79 | 102 (37) |
| ≥80 | 8 (2.9) |
| Not reported | 19 (6.8) |
| Ethnicity | |
| African American | 153 (55) |
| Non-Hispanic Whites | 81 (29.1) |
| Hispanics | 6 (2.2) |
| Asian | 5 (1.8) |
| Others | 16 (5.8) |
| Preferred not to answer | 6 (2.2) |
| Gender | |
| Female | 143 (51.4) |
| Male | 125 (45) |
| No response | 10 (3.6) |
| Highest education level | |
| Elementary school | 17 (7.1) |
| Junior high school | 5 (2.1) |
| High school | 69 (28.9) |
| College | 140 (58.6) |
| Is this your first research study? | |
| Yes | 188 (67.6) |
| No | 81 (29.1) |
| No response | 9 (2.5) |