Table I. Description of variables used... | Emerald Publishing

Table I.

Description of variables used in the heckprobit sample model

Explanatory variables
Variables	Description and unit of measurement	Expected sign
Farming system	Binary, 1, with agroforestry and 0, without agroforestry	+
Farm Size	In hectare	+
Gender	Binary, 1 if the farmer is male and 0 if female	+/−
Age	Continuous, the age of the respondent in years	+
Education	Binary, 1 if a farmer has formal education and 0 if otherwise	+
Land Acquisition	Binary, 1 if the land is inherited and 0 if otherwise	+/−
Members’ Association	Categorical according to the association in the study area	+
Farming Experience	Categorical, numbers of years of farming	+
Access to Credit	Binary, 1 if a farmer has access and 0 if no	+
Extension Visit	Binary, 1 if a farmer has access and 0 if no	+
Information Source	Categorical according to the sources in the study area	+

Explanatory variables
Variables	Description and unit of measurement	Expected sign
Farming system	Binary, 1, with agroforestry and 0, without agroforestry	+
Farm Size	In hectare	+
Gender	Binary, 1 if the farmer is male and 0 if female	+/−
Age	Continuous, the age of the respondent in years	+
Education	Binary, 1 if a farmer has formal education and 0 if otherwise	+
Land Acquisition	Binary, 1 if the land is inherited and 0 if otherwise	+/−
Members’ Association	Categorical according to the association in the study area	+
Farming Experience	Categorical, numbers of years of farming	+
Access to Credit	Binary, 1 if a farmer has access and 0 if no	+
Extension Visit	Binary, 1 if a farmer has access and 0 if no	+
Information Source	Categorical according to the sources in the study area	+

Source: Author’s Computation (2019)