Table 3 Description of explanatory variables included in the binary logit and MVP models
Explanatory variables | Type of the variable | Expected relationship (for binary logit) | Description of the variable |
|---|---|---|---|
Yearsh | Continuous | + | Years of schooling of the household head |
Aghhd | Continuous | +/− | Age of the household head in years |
Family size | Continuous | +/− | Family size of the household |
HhdlF | Continuous | + | Size of labor force in the household |
Sex | Binary | +/− | Sex of the household head (1 = male, 0 = female) |
Plot size | Continuous | +/− | Total size of plots owned by the household in tsimada |
Off farm | Continuous | – | Total off and non-farm incomes of the household (ETB/year), ETB is currency of Ethiopia |
TotVAST | Continuous | + | Total value of assets owned by the household in ETB |
Cattlholding | Continuous | – | Number of heads of cattle owned in TLU |
Crop yield | Continuous | + | Total crop produce in 2016/17 production year in quintal |
Farm input | Continuous | + | The value of farm inputs employed by the household in 2016/17 production year in ETB |
Slope | Categorical | +/− | Slope of the plot (1 = gentle, 2 = medium,3 = steep) |
Soil fertility | Categorical | + | Fertility status of the soil (1 = good, 2 = medium, 3 = poor) |
Soil type | Categorical | +/− | Type of soil (1 = clay, 2 = silt, 3 = sandy) |
Plot location | Continuous | – | The distance between the house and the plot of a household in Km |
Agro-ecology | Categorical | +/− | Agro-ecological zone (1 = Kaal-amin (highland), 2 = Hintalo(midland), 3 = Begashka (lowland)) |
Position | Binary | +/− | Participation in the community administration organs (1 = yes, 0 = no) |
Extension service | Continuous | – | Distance between residency and farmers training center in km |
Tenure security | Binary | + | Land certification (1 = yes, 0 = no) |
Credit access | Binary | + | Access to credit services (1 = yes, 0 = no) |
Infonaccess | Binary | + | Access to mass media (1 = yes, 0 = no) |
Irrnaccess | Binary | + | Access to irrigation facility (1 = yes, 0 = no) |
Zero grazing | Binary | + | Practicing zero grazing (1 = yes, 0 = no) |
Market access | Continuous | – | Distance to nearest market in km |
Dependent variable in logit model | Continued use of SLM practices | Â | 1 = continued user, 0 otherwise |
Dependent variable in MVP | Choice of SLM practices | Â | Indigenous (1 = yes, 0 = no), physical (1 = yes, 0 = no), agro-forestry (1 = yes, 0 = no), agronomic conservation (1 = yes, 0 = no) |