|
| Risk factors | Variables | Levels |
|
| Protected area | Whether or not case is located within a protected area | National protected area, national protection forest, and national production forest |
| If the case is not located within a protected area, distance (decimal degrees) to the nearest protected area | 0 to 0.425 |
| The number of protected areas within 10 km of the case location | 0, 1, 2, 3, 4 |
| Land area (km2) of the protected area within 10 km of the case location | 0 to 339 |
| Proportion (%) of the protected area within 10 km of the case location | 0 to 100 |
|
| Households with pigs | Share of pig ownership (%) in the village at the case location | 0 to 100 |
| The average share of pig ownership (%) within 10 km of the case location | 0 to 100 |
|
| Number of pigs | The sum of number of owned pigs within 10 km of the case location | 0 to 9405 |
|
| Roads | The number of roads within the 10 km of the case location | 0 to 12 |
| The length (km) of roads within 10 km of the case location | 0 to 81 |
|
| Incidence of poverty | % Population living below the poverty line at the case location | 1.32 to 82.18 |
| Average % population living below the poverty line within 10 km of the case location | 6.61 to 73.32 |
|
| Number of poor people | The number of people below the poverty line at the case location | 6.59 to 1957.34 |
| The average number of people below the poverty line within 10 km of the case location | 34.32 to 603.53 |
|
| Ethno-linguistic family | Dominant (>80%) ethno-linguistic family dominated at the case location | Lao-Tai, Sino-Tibetan, Hmong-Mien, Mon-Khmer, and mixed |
|
