| Caractéristics |
| Numbers | Frequency (%) |
| Meanage: 70 ± 7 years | 65 - 74 | 24 | 39.34 |
| 75 - 84 | 28 | 45.90 | |
| 85 - 94 | 8 | 13.11 | |
| >94 | 1 | 1.64 | |
| Sex | Men | 32 | 52.46 |
| Women | 29 | 47.54 | |
| Standard of living | Good | 8 | 13.11 |
| Medium | 46 | 75.41 | |
| Poor | 7 | 11.48 | |
| Social links | Always a couple | 33 | 54.10 |
| ≥4 links | 31 | 50.81 | |
| Living in a family | 57 | 93.44 | |
| Geographical origin other regions | Dakar region | 46 | 76.41 |
| Otherssregions | 6 | 9.84 | |
| Out of country | 9 | 14.75 | |
| Literacy | Illeterate | 15 | 24.59 |
| Educated | 22 | 36.07 | |
| Indeterminated | 24 | 39.34 | |
| Past occupation | Formal | 52 | 85.25 |
| Unspecified | 20 | 32.79 | |
| Non-formal | 20 | 32.79 | |
| History | Familial dementia | 31 | 50.82 |
| Stroke | 13 | 21.31 | |
| Comorbidites | Parkinson’s disease | 5 | 8.1 |
| Heart disease | 5 | 8.1 | |
| Diabetes | 2 | 3.28 | |
| High blood pressure | 35 | 59.02 | |
| Epilepsy | 1 | 1.64 | |
| Style of life | Coffee | 52 | 85.25 |
| Active tobacco | 15 | 24.59 | |
| Alcohol | 1 | 1.64 |