Variables | 2000 | 2004 | 2006 | 2009 | 2011 | 2015 | ||||||
Coef. | S.E. | Coef. | S.E. | Coef. | S.E. | Coef. | S.E. | Coef. | S.E. | Coef. | S.E. | |
Education and Experience | ||||||||||||
Education | 0.029 *** | 0.005 | 0.022 *** | 0.006 | 0.04 *** | 0.006 | 0.038 *** | 0.005 | 0.034 *** | 0.005 | 0.024 *** | 0.006 |
Experience | 0.056 *** | 0.005 | 0.029 *** | 0.006 | 0.023 *** | 0.005 | 0.037 *** | 0.005 | 0.017 *** | 0.004 | 0.017 *** | 0.005 |
Experience, square | −0.001 *** | 0.000 | 0.000 *** | 0.000 | 0.000 *** | 0.000 | −0.001 *** | 0.000 | 0.000 *** | 0.000 | 0.000 *** | 0.000 |
Health Status | ||||||||||||
Excellent/Good | 0.324 *** | 0.096 | 0.134 * | 0.077 | 0.306 *** | 0.075 | - | - | - | - | 0.492 *** | 0.094 |
Fair | 0.185 * | 0.098 | 0.018 | 0.079 | 0.238 *** | 0.078 | - | - | - | - | 0.373 *** | 0.095 |
Missing | 0.366 *** | 0.123 | −0.001 | 0.21 | 0.01 | 0.18 | - | - | - | - | 0.077 | 0.175 |
Type | ||||||||||||
Free | ||||||||||||
Yes | 0.355 | 0.286 | 0.378 *** | 0.121 | 0.888 *** | 0.121 | −0.088 | 0.236 | 0.386 *** | 0.135 | −0.401 | 0.307 |
Missing | - | - | - | - | - | - | - | - | - | - | - | - |
Compensation | ||||||||||||
Yes | 0.373 | 0.284 | 0.409 *** | 0.117 | - | - | - | - | - | - | - | - |
Missing | - | - | - | - | - | - | - | - | - | - | - | - |
Cooperation | ||||||||||||
Yes | 0.352 | 0.287 | 0.111 | 0.131 | 0.559 *** | 0.126 | −0.420 * | 0.237 | 0.034 | 0.138 | −0.762 *** | 0.314 |
Missing | −0.241 * | 0.132 | 0.26 ** | 0.128 | −0.048 | 0.161 | 0.063 | 0.125 | −0.475 ** | 0.224 | 0.003 | 0.361 |
Other | ||||||||||||
Yes | 0.364 | 0.286 | 0.282 ** | 0.127 | 0.833 *** | 0.131 | −0.223 | 0.24 | 0.296 *** | 0.142 | −0.470 | 0.313 |
Missing | 0.365 | 0.311 | 0.263 | 0.192 | 0.519 *** | 0.174 | −0.529 ** | 0.26 | −1.349 *** | 0.466 | ||
Jobs | ||||||||||||
Technicians | 0.122 *** | 0.054 | 0.186 *** | 0.050 | 0.215 *** | 0.052 | 0.285 *** | 0.046 | 0.309 *** | 0.036 | 0.264 *** | 0.041 |
Manager | 0.162 *** | 0.057 | 0.094 *** | 0.06 | 0.264 *** | 0.062 | 0.317 *** | 0.068 | 0.344 *** | 0.045 | 0.236 *** | 0.057 |
Officers | 0.075 | 0.063 | 0.14 *** | 0.054 | 0.087 * | 0.053 | 0.158 *** | 0.059 | 0.157 *** | 0.04 | 0.165 *** | 0.043 |
Farmer | −0.744 *** | 0.040 | −0.879 *** | 0.046 | −0.599 *** | 0.047 | −0.46 *** | 0.045 | −0.399 *** | 0.042 | −0.407 *** | 0.056 |
Worker | 0.089 ** | 0.040 | −0.064 | 0.046 | 0.131 *** | 0.044 | 0.088 ** | 0.043 | 0.148 *** | 0.032 | 0.142 *** | 0.041 |
Missing | −0.645 *** | 0.078 | −0.758 *** | 0.053 | −0.839 *** | 0.058 | −0.628 *** | 0.057 | −0.548 *** | 0.047 | −0.799 *** | 0.048 |
In Addition | ||||||||||||
Female | −0.09 *** | 0.028 | −0.189 *** | 0.030 | −0.219 *** | 0.029 | −0.121 ** | 0.028 | −0.135 *** | 0.024 | −0.128 *** | 0.028 |
Urban | 0.077 *** | 0.032 | 0.134 *** | 0.032 | 0.2 *** | 0.032 | 0.08 *** | 0.030 | 0.067 *** | 0.025 | 0.095 *** | 0.031 |
Constant | 7.585 *** | 0.31 | 8.539 *** | 0.174 | 7.833 *** | 0.176 | 9.164 *** | 0.254 | 9.153 *** | 0.163 | 9.919 *** | 0.348 |
Observations | 5267 | 5380 | 5076 | 5242 | 6696 | 5675 | ||||||
R | 0.256 | 0.27 | 0.293 | 0.212 | 0.223 | 0.246 | ||||||
Adjusted R-square | 0.256 | 0.27 | 0.293 | 0.212 | 0.223 | 0.246 |