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Table 3 Description of explanatory variables included in the binary logit and MVP models

From: Factors that influence the implementation of sustainable land management practices by rural households in Tigrai region, Ethiopia

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   1 = continued user, 0 otherwise
Dependent variable in MVP Choice of SLM practices   Indigenous (1 = yes, 0 = no), physical (1 = yes, 0 = no), agro-forestry (1 = yes, 0 = no), agronomic conservation (1 = yes, 0 = no)
  1. aTsimad is a local unstandardized measurement of size of farm plots (one tsimad is roughly equivalent to 0.25 ha)