Table A2.
Probit regression for wheat outcome (yield) variable to estimate propensity score.
| training | Coef. | Std.Err. | z | P > z | [95%Conf. | Interval] |
|---|---|---|---|---|---|---|
| agesq | -9.48e-06 | .0000361 | -0.260 | 0.793 | -.0000802 | .0000612 |
| schoolyr | .0314656 | .0223267 | 1.410 | 0.159 | -.012294 | .0752252 |
| farm_exp | -.0053285 | .0041682 | -1.280 | 0.201 | -.0134981 | .0028411 |
| healthco | ||||||
| Somewhat_healthy | -.1311346 | .1732168 | -0.760 | 0.449 | -.4706333 | .2083641 |
| Healthy | .130297 | .1696065 | 0.770 | 0.442 | -.2021257 | .4627196 |
| hh_size | .011528 | .0260925 | 0.440 | 0.659 | -.0396124 | .0626684 |
| lnd_ownership | .2338818 | .1379668 | 1.700 | 0.090 | -.0365281 | .5042918 |
| radio | -.1553825 | .1418429 | -1.100 | 0.273 | -.4333895 | .1226244 |
| mobile | -.267852 | .1385634 | -1.930 | 0.053 | -.5394313 | .0037272 |
| FtoF_ext | .1962907 | .1391256 | 1.410 | 0.158 | -.0763906 | .4689719 |
| extn_cont | .0178034 | .0337607 | 0.530 | 0.598 | -.0483664 | .0839732 |
| kebele_cabnt | .235158 | .1388162 | 1.690 | 0.090 | -.0369168 | .5072329 |
| coop | -.1652997 | .1399091 | -1.180 | 0.237 | -.4395164 | .108917 |
| trn_source | .1035906 | .1381558 | 0.750 | 0.453 | -.1671899 | .374371 |
| trvl_frqcy | .0151467 | .0291153 | 0.520 | 0.603 | -.0419182 | .0722116 |
| trrom_conv | ||||||
| Fair | .0705966 | .1673632 | 0.420 | 0.673 | -.2574293 | .3986225 |
| Convenient | -.1348181 | .1753286 | -0.770 | 0.442 | -.4784558 | .2088196 |
| tr_useful | ||||||
| Fair | .1901379 | .1644171 | 1.160 | 0.248 | -.1321136 | .5123894 |
| Useful | .3272778 | .1735637 | 1.890 | 0.059 | -.0129007 | .6674563 |
| DA_comptnc | ||||||
| Fair | .3757864 | .1728614 | 2.170 | 0.030 | .0369843 | .7145885 |
| Competent | -.1372693 | .1736964 | -0.790 | 0.429 | -.4777079 | .2031694 |
| ftc_dist | -.0105855 | .0123435 | -0.860 | 0.391 | -.0347783 | .0136072 |
| _cons |
-.2522911 |
.4005129 |
-0.630 |
0.529 |
-1.037282 |
.5326998 |
| Log likelihood | -234.48748 | LR chi 2 (22) | 31.53 | Number of obs. = 362 | ||
| Pseudo R2 | 0.0630 | Prob > chi 2 | 0.0858 | |||
Source: Stata output.