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Sample demographics
| Variable | Total n | n (%) | Mean ± SD |
|---|---|---|---|
| Age, years | 54 | 62.7±9.3 | |
| Body mass index, kg/m2 | 54 | 32.6±4.8 | |
| Female sex | 49 | 41 (83.7) | |
| Race | 53 | ||
| Caucasian | 34 (64.2) | ||
| African-American/other | 19 (35.8) | ||
| Married | 48 | 28 (58.3) | |
| Annual family income ≥20,000 USD | 48 | 41 (85.5) | |
| Education | 50 | ||
| Less than high school | 1 (2.0) | ||
| High school degree | 5 (10.0) | ||
| Some college | 7 (14.0) | ||
| College degree | 22 (44.0) | ||
| Graduate degree | 15 (30.0) |
