| Socio-demographic variables | Impaired memory | P value | ||||
| Yes | No | |||||
| No. | % | No. | % | |||
| Age (years) | 60 - 64 | 5 | 4.6 | 131 | 45.0 | 0.0001* |
| 65 - 69 | 20 | 18.3 | 90 | 30.9 |
| |
| 70 - 74 | 35 | 32.1 | 54 | 18.6 |
| |
| 75 - 79 | 19 | 17.4 | 13 | 4.5 |
| |
| ≥80 | 30 | 27.5 | 3 | 1.0 |
| |
| Gender | Male | 77 | 70.6 | 210 | 72.2 | 0.763 |
| Female | 32 | 29.4 | 81 | 27.8 |
| |
| Marital status | Single | 5 | 4.6 | 20 | 6.9 | 0.017* |
| Married | 79 | 72.5 | 221 | 75.9 |
| |
| Divorced | - | - | 12 | 4.1 |
| |
| Widow | 25 | 22.9 | 38 | 13.1 |
| |