| Age in years | Number of subjects |
| 45 - 55 years | 33 |
| 56 - 65 years | 36 |
| 66 - 90 years | 31 |
| Total (n) | 100 |
| Sex | Number of subjects |
| Female | 57 |
| Male | 43 |
| Total (n) | 100 |
| Education | Number of subjects |
| Illiterates | 67 |
| semi-illiterates | 33 |
| Total (n) | 100 |