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Patient characteristics (n = 150)
| Age, mean (SD), range | 77.9 (8.5), 51–99 |
| Females, n (%) | 81 (54.7) |
| Race, n (%) | |
| White | 144 (97.3) |
| Black | 3 (2) |
| Other | 1 (0.7) |
| Marital status, n (%) | |
| Married | 77 (52.7) |
| Divorced | 21 (14.4) |
| Widowed | 42 (28.8) |
| Never married | 6 (4.1) |
| Education, n (%) | |
| Primary | 20 (13.8) |
| Secondary | 57 (39.3) |
| Post-secondary | 36 (24.8) |
| University | 32 (22.1) |
| Communication capacity, n (%) | |
| Excellent | 26 (18.4) |
| Very good | 40 (28.4) |
| Good | 34 (24.1) |
| Fair | 27 (19.1) |
| Poor | 14 (9.9) |
