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Characteristics of the study sample (N=22).
| Characteristic | Value | |
| Age (years), mean (SD) | 58 (9.50) | |
| Gender, n (%) | ||
| Male | 12 (55) | |
| Female | 10 (45) | |
| Marital status, n (%) | ||
| Married | 15 (68) | |
| Other | 7 (32) | |
| Education, n (%) | ||
| Less than high school | 0 (0) | |
| High school or General Education Development | 6 (27) | |
| Some college or technical school | 4 (18) | |
| College graduate or postgraduate degree | 12 (55) | |
| Income (US $), n (%) | ||
| <30,000 | 6 (27) | |
| 30,000-50,000 | 2 (9) | |
| >50,000 | 14 (64) | |
