| Variable | No. | % |
| Age (39.1 ± 9.3 years) | ||
| <40 years | 12 | 40.0 |
| ≥40 years | 18 | 60.0 |
| Total | 30 | 100.0 |
| Gender | ||
| Male | 19 | 63.3 |
| Female | 11 | 36.7 |
| Total | 30 | 100.0 |
| Occupation | ||
| Housewife | 11 | 36.7 |
| Self-employed | 15 | 50.0 |
| Public servant | 4 | 13.3 |
| Total | 30 | 100.0 |