Variables | Estimates of negative binomial model (NBM) | |||||
---|---|---|---|---|---|---|
CIS | GIS | Pooled | ||||
Coeff. | SE | Coeff. | SE | Coeff. | SE | |
Constant | 1.016 | 0.296 | 0.044 | 0.318 | 0.498 | 0.213 |
Age | 0.002 | 0.004 | 0.011 | 0.005** | 0.006 | 0.003** |
Sex | 0.016 | 0.085 | − 0.022 | 0.132 | − 0.000 | 0.070 |
Educ_d | 0.040 | 0.091 | − 0.025 | 0.105 | 0.025 | 0.067 |
Ext_visits_d | 0.160 | 0.094* | 0.048 | 0.102 | 0.095 | 0.067 |
Fm_dist. (km) | − 0.234 | 0.083*** | − 0.103 | 0.055* | − 0.146 | 0.046*** |
Fm_size (Acres) | 0.040 | 0.106 | 0.005 | 0.046 | 0.005 | 0.042 |
Soil_perception | 0.159 | 0.089* | 0.239 | 0.123* | 0.186 | 0.070*** |
Knw_EBFMPs | 0.016 | 0.011 | 0.040 | 0.015*** | 0.026 | 0.009*** |
Irrig_type | 0.161 | 0.081** | ||||
Number of observations | 150 | 150 | 300 | |||
LR chi2(9) | 42.230*** | 27.160*** | 106.860*** | |||
Prob > chi2 | 0.000 | 0.000 | 0.000 | |||
Pseudo R2 | 0.076 | 0.053 | 0.096 | |||
Dispersion = mean | ||||||
Log likelihood | − 255.107 | − 242.655 | − 501.122 | |||
Alpha | 0.000 | 0.000 | 0.000 | |||
Chibar2(01) | 0.000 | 0.000 | 0.000 | |||
Prob ≥ chibar2 | 1.000 | 1.000 | 1.000 |