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Demographic characteristics of patient subgroups by participation status.
| Characteristic | Surviving patients who withdrew early after deployment (n=20) | Patients who completed the 6-month intervention (n=34) |
| Female, n (%) | 12 (60) | 15 (44) |
| Age (years), mean (SD) | 84 (6.9) | 83 (7.7) |
| With an informal caregiver, n (%) | 12 (60) | 28 (82) |
| Duration of participation (weeks), mean (SD) | 4.6 (1.1) | 24 (0.2) |
