| Variables | Number | Percentage (%) |
| Gender |
|
|
| Male | 153 | 40.6 |
| Female | 224 | 59.4 |
| Age groups |
|
|
| <40 years | 16 | 4.2 |
| 40 - 50 years | 79 | 21.0 |
| 51 - 60 | 136 | 36.1 |
| >60 years | 146 | 38.7 |
| Mean ± SD | 58.19 ± 11.04 | |
| Educational level |
| |
| Illiterate | 159 | 42.2 |
| Below secondary | 118 | 31.3 |
| Secondary school | 48 | 12.7 |
| University and higher | 52 | 13.8 |
| Working status |
|
|
| Working | 69 | 18.3 |
| Not | 308 | 81.7 |
| Level of income |
|
|
| <5000 | 102 | 27.1 |
| 5000 - 10,000 | 193 | 51.2 |
| >10,000 | 79 | 21.0 |
| Missing | 3 | 0.8 |
| Duration of disease |
|
|
| <5 years | 52 | 13.8 |
| 5 - 10 years | 107 | 28.4 |
| 11 - 15 years | 59 | 15.6 |
| >15 years | 159 | 42.2 |
| Mean ± SD | 14.50 ± 8.45 | |
| Total | 377 | 100.0 |