| Items | Group I | Group II |
| Age | 21 - 50 years old | 31 - 50 years old |
| Sex | Male | Male |
| Level of Education | Bachelor’s Degree | Bachelor’s Degree and PhD |
| Family Members | ±5 people | ±7 people |
| Children | 2 children | 1, 2 and 5 children |
| Marital Status | Married | Married |
| Occupation/ Profession | Civil servants and students | Civil servants, employees of private companies and students |
| Monthly income level | Up to 324 US dollars | Up to 324 US dollars |