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15.3 Results of Econometric Analysis
15.3.1 Determinants for Adoption of Improved Varieties
The logistic model was initially fitted in the first stage of the PSM to assess the factors that influence adoption of improved varieties and determine the propensity to
adopt for each household. The dependent variable was a binary stress tolerant
Table 15.1 Measurement and description of variables
Variable description
Measurement
Outcome variable
Per capita net crop income (USD)
Net crop income divided by household size
Household characteristics variables
Household size (count)
Number of persons in the household
Sex of the household head (0/1)
Sex of the principal decision-maker in the household
Age of the household head (years)
Age of the principal decision-maker
Literacy index (index)
Ratio between household members with post-primary
education and household size
Number of years residence in the
village (years)
Number of years a farmer has lived in the village
Household wealth characteristics
Asset index (index)
Index of number and type of assets owned to determine
the well-being of the household
Institutional and access related variables
Access to government extension (0/1) Dummy for access to government extension officers
Access to farmer organisation (0/1)
Dummy for access to farmer organisation
Access to NGO information (0/1)
Dummy for access to NGO information
Access to demo plots (0/1)
Dummy for access to demo plots information
Access to credit services (0/1)
Access to credit services
Member of an agricultural group (0/1) Membership of an agricultural group
Gender roles and personal values
Training on personal values (0/1)
Training on personal values
Perceptions of climate change and associated risks
Noticed change in climate (0/1)
Noticed a change in climate
Perceiving likely change in climate
change in future (0/1)
Perception that climate will change in future
Perceiving reduced current rainfall
(0/1)
Perception that rainfall amount received has reduced
Climatic shocks
Experienced floods (0/1)
Experienced floods
Experienced drought (0/1)
Experienced drought
Food security variable
Number of hunger months in a year
(count)
Number of hunger months in a year
15 Household Welfare Effects of Stress-Tolerant Varieties in Northern Uganda
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