| Demographic characteristics | Number (percentage)/N (%) |
| Age |
|
| 65 - 69 years old | 4 (9.5) |
| 70 - 79 years old | 12 (28.6) |
| 80 - 89 years old | 24 (57.1) |
| 90 - 99 years old | 1 (2.4) |
| ≥100 years old | 1 (2.4) |
| Gender |
|
| Male | 32 (76.2) |
| Female | 10 (23.8) |
| Marital status |
|
| Married | 16 (38.1) |
| Divorced | 5 (11.9) |
| Widowed | 21 (50.0) |
| Education |
|
| None | 17 (40.5) |
| Educated | 35 (49.5) |
| Living status |
|
| With spouse only | 21 (50) |
| With family | 10 (23.8) |
| With friend | 11 (26.2) |
| Financial status |
|
| Full independence | 15 (35.7) |
| Partial dependence | 13 (31.0) |
| Full dependence | 14 (33.3) |