Table 1.
Division type of input entity and its properties
| Entity | Property | Value | |
|---|---|---|---|
| Input | Gender | 1 | Male |
| 2 | Female | ||
| Age (y) | 1 | Under 30 | |
| 2 | 30–49 | ||
| 3 | 50 and above | ||
| Industry | 1 | Mining | |
| 2 | Manufacturing | ||
| 3 | Electricity, gas and waterworks | ||
| 4 | Construction, transportation, warehousing and communications | ||
| 5 | Agriculture, forestry and fishery | ||
| 6 | Finance and insurance | ||
| 7 | Others | ||
| Occupation | 1 | Office workers | |
| 2 | Production workers | ||
| Region | 1 | Seoul metropolitan area | |
| 2 | Chungcheong region | ||
| 3 | Gyeongsang region | ||
| 4 | Honam region | ||
| 5 | Others | ||