Contribution of Fuel Wood Income from Natural Forests to Household Economy in Delanta District, Northeastern Ethiopia

Table 2

Description of explanatory variables included in the regression model.

Variable	Type of variable	Measurement	Sign of expectation	Citation
Age	Continuous	Year	−	[31]
Sex	Dummy	1 = male & 0 = female	+	[32]
Educational status	Dummy	1 = unable to read and write; 2 = able to read and write; 3 = primary school; 4 = high school and preparatory	−	[33]
Household size	Continuous	Number	+	[9, 34]
Land size own	Continuous	Hectare (ha)	−	[9]
Distance to forest	Continuous	Kilometer (km)	−	[9, 28]
Distance to market	Continuous	Kilometer (km)	−	[7]
Number of tree owned	Continuous	Number	−	[35]
Nonforest income	Continuous	Ethiopian Birr (ETB)	−	[28, 32, 34]