Table 6 Explanatory variables used in the regression analysis
Variable | Description | Expected signs |
|---|---|---|
Age | Age of household head in years | + |
Education | Numbers of schooling years of household head | + |
Gender | Gender of household head (1 = male, 0 = female) | + |
Household size | Number of household members | − |
Extra income | Off-farm/non-farm income (1 if yes, 0 if no) | + |
Livestock diversity | Number of animal species raised by the household | + |
Location | Household location (Lioma = 1; Mepuagiua = 0) | ± |
Farm size | Farm size in hectares | + |
Land quality | Perception of having good land fertility (good = 1; bad = 0) | + |
Crop diversity | Number of crop species produced by the household | + |
Maize | Maize production (1 if yes, 0 if no) | + |
Sorghum | Sorghum production (1 if yes, 0 if no) | + |
Rice | Rice production (1 if yes, 0 if no) | + |
Cassava | Cassava production (1 if yes, 0 if no) | + |
Cash cropsa | Soybean and/or Tobacco production (1 if yes, 0 if no) | + |
Season | Period of data collection (1 = harvest season, 0 = pre-harvest season) | + |