Table 1. Variable types.
| No | Variables | Types of data | |
|---|---|---|---|
| Independent variables | |||
| 1 | Age refers to the age of the members in the household | Categorical | 1 = 18–40 years old; 2 = >40–60 years old; 3 = >60 years old |
| 2 | Gender refers to the respondents’ gender | Dummy | 1 = Men; 0 = Women |
| 3 | Main occupation refers to the primary activities that farmers engage in for the majority of their time | Categorical | 1 = Horticulture; 2 = Animal husbandry; 3 = Business; 4 = Officer |
| 4 | Formal education refers to the highest level of schooling that respondents have completed | Categorical | 1 = Primary school; 2 = Secondary school; 3 = High school; 4 = Bachelor; 5 = Graduate |
| 5 | Family members refer to the total number of individuals living together in the household | Categorical | 1 = 1–3; 2 = 4–6; 3 = >6 |
| 6 | Labor signifies the number of people from the family who actively participate in farming activities | Categorical | 1 = ≥50% family members; 0 = <50% family members |
| 7 | Training refers to training activities relating to livestock farming that farmers engage in | Dummy | 1 = Yes; 0 = No |
| 8 | Income refers to how much they earn from poultry farming activities monthly | Dummy | 1 = <$100; 0 = ≥$100 |
| 9 | Poultry heads refer to the number of poultry animals available at the farm | Continuous | - |
| 10 | Chick source indicates the source from which farmers acquire chicks | Categorical | 1 = Chicks produced at the farm; 2 = Hatchery; 3 = From other farms; 4 = From companies |
| 11 | Raising purpose describes the intended use of the output products from poultry farming | Categorical | 1 = For selling meat; 2 = For selling eggs; 3 = For consumption; 4 = Mixed |
| 12 | Farming system delineates the duration for which farmers keep their birds at the farm—whether throughout the entire year or only for several months | Categorical | 1 = Seasonal farming; 2 = Semi-intensive farming 3 = Mixed |
| 13 | Raising methods specify how birds are raised on the farm, including whether they have free access to the ground or are kept in cages | Categorical | 1 = Free-range farming; 2 = Semi-free-range farming; 3 = Caging farming |
| 14 | Type of livestock refers to which types of animals are kept at the farm | Categorical | 1 = Poultry; 2 = Mixed livestock |
| 15 | HPAI at the farm refers to the historical exposure of livestock to HPAI | Dummy | 1 = Yes; 0 = No |
| Dependent variables | |||
| 1 | HPAI vaccine implementation refers to the implementation of HPAI vaccination by farmers | Dummy | 1 = Vaccinated; 0 = Not vaccinated |
| 2 | Booster dose for HPAI vaccine refers to the implementation of a booster dose by farmers | Dummy | 1 = Yes; 0 = No |
HPAI: Highly pathogenic avian influenza.