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Table 7 Binary logistic regression estimates of the factors influencing farmers’ varietal preferences

From: Farmers’ preferred traits and perceived production constraints of bread wheat under drought-prone agro-ecologies of Ethiopia

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     
  1. Source: Farm household survey, 2018; Dependent variable indicates growing new improved bread wheat variety (1 = yes, 0 = no)