Table 7 Binary logistic regression estimates of the factors influencing farmers’ varietal preferences
Variables | Coefficients | Standard error | Degree of freedom | p-value | Odds ratio |
|---|---|---|---|---|---|
Socio-demographic characteristics | |||||
Gender | − 1.563 | 0.688 | 1 | 0.023 | 0.210 |
Age | − 0.629 | 0.713 | 1 | 0.377 | 0.533 |
Education | 1.716 | 0.588 | 1 | 0.004 | 5.562 |
Household size | − 0.058 | 0.085 | 1 | 0.494 | 0.944 |
Extension contact | − 1.004 | 0.436 | 1 | 0.021 | 0.367 |
Farmers associations | − 0.358 | 0.412 | 1 | 0.385 | 0.699 |
Own land size | − 0.070 | 0.183 | 1 | 0.702 | 0.932 |
Varietal attributes | |||||
High yielding | 0.519 | 0.408 | 1 | 0.203 | 1.680 |
Early maturing | 2.452 | 0.602 | 1 | 0.000 | 11.612 |
Tillering ability | − 0.699 | 0.713 | 1 | 0.327 | 0.497 |
Plant height | 1.500 | 0.708 | 1 | 0.034 | 4.480 |
Grain weight | − 0.621 | 0.769 | 1 | 0.419 | 0.537 |
Resistance to disease (rust) | − 0.377 | 0.462 | 1 | 0.414 | 0.686 |
Resistance to shattering | − 2.100 | 1.398 | 1 | 0.133 | 0.122 |
Baking quality | − 1.296 | 0.528 | 1 | 0.014 | 0.274 |
Adaptation (drought, heat stresses) | − 1.304 | 0.515 | 1 | 0.011 | 0.271 |
Constant | 2.104 | 1.169 | 1 | 0.072 | 8.202 |
Statistics | |||||
Omnibus tests | |||||
Chi-square | 61.03 | ||||
p-value | 0.000 | ||||
Hosmer and Lemeshow test | |||||
Chi-square | 6.801 | ||||
p-value | 0.558 | ||||
− 2 log likelihood | 172.28 | ||||
Cox and Snell R Square | 0.302 | ||||
Nagelkerke R Square | 0.404 | ||||