Table 3 Factors affecting the participation of the maize farmers in social groups.
Variable | First hurdle (decision to participate in a social group) | Second hurdle (level of participation in social group) |
|---|---|---|
Coefficient (Z) | Coefficient (Z) | |
Age | 0.185*** (2.69) | 0.133*** (3.16) |
Age2 | 0.159** (2.43) | 0.162*** (2.60) |
Household size | 0.072* (1.70) | 0.058** (2.01) |
Years of education | − 0.012 (− 0.72) | 0.004 (0.30) |
Years of experience | 0.295 (0.31) | 0.155** (2.20) |
Gender | 0.355*** (3.41) | 0.278** (2.24) |
Access to credit | 0.701*** (3.37) | 0.776*** (5.39) |
Extension | 0.160 (0.73) | 0.236 (1.20) |
Farm size | 0.117*** (4.56) | 0.528*** (3.03) |
Fertilizer | 0.715 (0.22) | 0.178 (0.58) |
Asset | 0.927*** (3.27) | 0.788***( 4.11) |
Constant | 4.901*** (2.78) | 3.610*** (3.40) |
LRChi2 | 33.16 | 57.17 |
Log-likelihood | − 190.698 | − 437.947 |
Prob > Chi2 | 0.0001 | 0.000 |
Likelihood ratio test of alpha (Chibar2(01)) | Â | 7.38 |
Prob > chibar2 |  | 0.003 |
Observations | 300 | 300 |