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Sociodemographic information about participants.
| N (%) | |
| Age years, M (SD) | 88.07 (5.30) |
| Sex | |
| Male | 37 (26.1) |
| Female | 105 (73.9) |
| Marital status | |
| Married/unmarried couples | 47 (33.1) |
| Widow(ed) | 86 (60.6) |
| Single/divorced | 9 (6.3) |
| Education level | |
| Illiterate | 49 (34.5) |
| ≥1 year | 93 (65.5) |
