Table 5 Count data model results
Variable | Generalized Poisson model | Poisson model | ||
|---|---|---|---|---|
Coefficient | Marginal effect | Coefficient | Marginal effect | |
Intercept | 1.293*** (0.073) | – | 1.325*** (0.129) | – |
Household size | − 0.007 (0.005) | − 0.020 (0.014) | − 0.009 (0.009) | − 0.025 (0.025) |
Education (years) | − 0.009** (0.004) | − 0.025** (0.011) | − 0.013* (0.007) | − 0.036* (0.019) |
Off-farm activities revenue | 0.075* (0.043) | 0.214* (0.122) | 0.110 (0.072) | 0.313 (0.206) |
Farm size | 0.005* (0.003) | 0.016* (0.009) | 0.006 (0.005) | 0.017 (0.014) |
Experience | − 0.0009 (0.002) | − 0.002 (0.004) | − 0.0001 (0.003) | − 0.002 (0.008) |
FBO membership | 0.040 (0.053) | 0.114 (0.150) | 0 .040 (0.095) | 0.105 (0.270) |
Extension access | − 0.154*** (0.043) | − 0.438*** (0.121) | − 0.164** (0.072) | − 0.468** (0.207) |
Credit access | 0.015 (0.046) | 0.042 (0.131) | 0.021 (0.079) | 0.059 (0.225) |
Production intention | 0.072* (0.043) | 0.201* (0.128) | 0.093 (0.074) | 0.266 (0.212) |
Climate change awareness | 0.142*** (0.045) | 0.405*** (0.128) | 0.198** (0.079) | 0.565** (0.224) |
CSA training | − 0.121** (0.065) | − 0.346** (0.184) | − 0.177 (0.116) | − 0.503 (0.332) |
CSA adopter | − 0.092** (0.042) | − 0.263** (0.121) | − 0.118 (0.072) | − 0.336 (0.205) |
Wealth | − 0.079*** (0.023) | − 0.226*** (0.066) | − 0.095** (0.044) | − 0.270** (0.125) |
Perception on causes of climate change | ||||
Natural | − 0.005 (0.019) | − 0.014 (0.054) | − 0.008 (0.033) | − 0.022 (0.094) |
Deforestation | − 0.083*** (0.022) | − 0.237*** (0.062) | − 0.112*** (0.037) | − 0.317*** (0.107) |
Bush burning | 0.049** (0.019) | 0.106** (0.055) | 0.074** (0.035) | 0.210** (0.099) |
Dispersion | − 0.64 | |||
Log likelihood | − 525.967 | − 583.534 | ||
Chi-squared | 104.20*** | 124.60*** | ||
AIC | 1083.158 | 1201.048 | ||
BIC | 1156.459 | 1270.491 | ||
Likelihood ratio test | LR chi2(1) = 115.13*** | |||