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Self-reported demographic characteristics of participants.
| Gender | Male | 52 (54%) |
| Female | 43 (46%) | |
| Age (median, min-max) | 56.2 y (22-85y) | |
| Race/Ethnicity | Black | 5 (5%) |
| White | 87 (91%) | |
| Asian | 4 (4%) | |
| Hispanic | 1 (1%) | |
| Not registered | 3 (3%) | |
| Highest education | High school diploma | 4 (5%) |
| Some college | 6 (8%) | |
| Bachelor's degree | 23 (32%) | |
| Associate degree | 2 (2%) | |
| Master's degree | 18 (24%) | |
| Professional degree | 7 (9%) | |
| Doctoral degree | 11 (17%) |
