Table I.
Demographic characteristics of study population (n = 150).
| Demographic characteristic | n | % |
| Sex: | ||
| Male | 46 | 30.7 |
| Female | 104 | 69.3 |
| Education: | ||
| Less than comprehensive school | 16 | 10.8 |
| Comprehensive school | 57 | 38.5 |
| Matriculation examination | 2 | 1.4 |
| Vocational examination | 52 | 35.1 |
| College | 20 | 13.5 |
| Academic degree | 1 | 0.7 |
| Occupation: | ||
| Entrepreneur | 9 | 6.0 |
| Farmer | 22 | 14.8 |
| Employee | 95 | 63.8 |
| Senior salaried employee | 16 | 10.7 |
| Student or domestic work | 7 | 4.7 |
| Working status: | ||
| Full-time occupation | 27 | 18.0 |
| Part-time occupation | 3 | 2.0 |
| Sick leave | 8 | 5.3 |
| Disability pension | 36 | 24.0 |
| Other pension | 60 | 40.0 |
| Unemployed | 9 | 6.0 |
| Student | 3 | 2.0 |
| Other | 4 | 2.7 |