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Demographic breakdown of study participants
| Age (years) | |
| Mean | 55.3 |
| Standard deviation | 16.5 |
| Sex | |
| Male | 25 (47.2%) |
| Female | 28 (52.8%) |
| Race | |
| African American | 14 (26.4%) |
| Asian | 1 (1.9%) |
| Caucasian | 37 (69.8%) |
| Native American | 1 (1.9%) |
| BMI | |
| Mean | 26.7 |
| Standard deviation | 6.65 |
BMI: body mass index.
