Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Demographic Characteristics of Participants
| Characteristics | n | Frequency (%) |
| Sex (n = 652) | ||
| Female | 411 | 63.0 |
| Male | 241 | 37.0 |
| Ethnicity (n = 652) | ||
| Caucasian | 443 | 67.9 |
| African American | 104 | 16.0 |
| Hispanic | 75 | 11.5 |
| Asian or South Pacific Islander | 4 | 0.6 |
| Middle Eastern | 1 | 0.2 |
| American Indian/Alaskan Native | 5 | 0.8 |
| Other | 20 | 3.0 |
| Mean age (years) | 20.86 ± 3.92 |
