Participant Characteristics
| Total number of participants | 102 |
| States represented: | 15 |
| (CA, CO, GA, KY, MO, NE, OK, OH, OR, SC, TN, TX, VT, VA, WI) | |
| Practice location | |
| Urban | 29 |
| Suburban | 57 |
| Rural | 16 |
| Gender | |
| Male | 75 |
| Female | 27 |
| Ethnicity | |
| White | 92 |
| Asian | 2 |
| Hispanic | 4 |
| African American | 3 |
| Native American | 1 |
| Age | |
| Range | 35–85 |
| Mean | 49 |