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Table 1 Description and measurement of variables

From: Nonfarm activity and market participation by farmers in Ghana

Variable description Measurement
Dependent variables  
Engaged in nonfarm activity 1 = if yes; 0 = otherwise
Sold crop 1 = if yes; 0 = otherwise
Explanatory variables  
Age of household head Years
Average age of household Years
Sex of household head 1 = if male; 0 = otherwise
Years of education of head Years spent in school
Area of residence 1 = if rural; 0 = otherwise
Region of residence Dummy for each region
Farm size Hectare
Price/kg Ghana cedi/kilogram
Extension office in community 1 = if yes; 0 = otherwise
Agricultural wage Ghana cedi
Ecological zone Dummy for each zone
Adult equivalent scale Scale
Market in community 1 = if yes; 0 = otherwise
Navigable road to community 1 = if yes; 0 = otherwise
Public transport availability 1 = if yes; 0 = otherwise
Ownership of radio 1 = if yes; 0 = otherwise
Bank in community 1 = if yes; 0 = otherwise
Ease of finding jobs in community 1 = if easy; 0 = otherwise
People temporarily leave community 1 = if yes; 0 = otherwise
  1. aRepresents aggregate variables for the five crops: maize, rice, groundnut, beans, and sorghum; price/kg is calculated as the average of the price/kg for each crop