Table 1 Characteristics of study participants
Characteristics | N = 28 |
|---|---|
Age | |
 30–39 | 7 |
 40–49 | 8 |
 50–59 | 8 |
 60–69 | 5 |
Gender | |
 Female | 10 |
 Male | 18 |
Race | |
 White | 24 |
 Black or African American | 1 |
 Others | 3 |
Study sites | |
 Duke University Medical Center | 8 |
 Case Western Reserve University | 5 |
 Medical University of South Carolina | 7 |
 Vanderbilt University Medical Center | 8 |