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Research, Policy and Practice

Table 3 Summary of the logit model and Poisson models of socio-economic determinants of adoption of exotic breeds and herd sizes

From: Characterization of smallholder cattle production systems in South-Kivu province, eastern Democratic Republic of Congo

Source Adoption of exotic breeds Herds’ size
β S.E. Prob > χ2 β S.E. Prob > χ2
Constant − 2.561 0.486 0.000*** 2.610 0.038 0.000***
Experience in cattle farming − 0.018 0.013 0.166 − 0.004 0.001 0.000***
Age 0.003 0.009 0.725 − 0.001 0.001 0.097
AEZ—medium altitude
 AEZ—high altitude 0.678 0.243 0.005** 0.255 0.019 0.000***
Sex—male
 Sex—female 0.631 0.389 0.099. 0.213 0.031 0.000***
Marital status—married
 Marital status—divorced − 0.099 1.176 0.933 − 0.259 0.127 0.042*
 Marital status—widow − 0.129 1.342 0.923 − 1.750 0.260 0.000***
Education level—illiterate
 Education level—primary − 0.246 0.327 0.452 0.563 0.025 0.000***
 Education level—secondary 0.370 0.285 0.195 0.521 0.025 0.000***
 Education level—university 0.690 0.561 0.219 0.490 0.052 0.000***
Source of income—farming
 Source of income—off-farm 0.482 0.264 0.049* 0.063 0.022 0.005**
Grazing system—herding
 Grazing system—free-range 0.887 0.265 0.001*** 0.891 0.021 0.000***
 Grazing system—zero-grazing 0.054 0.338 0.873 − 0.075 0.031 0.016*
Owned land—less than 5 ha
 Owned land—5 ha and more 0.245 0.260 0.347 0.066 0.019 0.000***
  AUC = 0.699
LR χ2 (13) = 62.480
Prob > χ2 = 0.000***
Log likelihood = − 329.279
Pseudo R2 = 0.087
LR χ2 (13) = 2989.980
Prob > χ2 = 0.000***
Log likelihood = − 12,403.11
Pseudo R2 = 0.108
  1. *, **, ***: significant at alpha = 0.05, 0.01 and 0.001, respectively