1st | 2nd | 3rd | 4th | |
---|---|---|---|---|
Age | 0.092*** (0.012) | 0.060*** (0.012) | 0.048*** (0.01) | 0.044*** (0.012) |
Age squared | −0.001*** (0.000) | −0.001*** (0.000) | −0.001*** (0.000) | −0.001*** (0.000) |
Female | −1.617*** (0.394) | −2.129*** (0.545) | −0.701 (0.478) | −0.331 (0.543) |
Rural | 0.107** (0.043) | 0.131** (0.055) | 0.060** (0.029) | 0.041 (0.038) |
Single | 0.235*** (0.083) | 0.015 (0.066) | 0.071 (0.055) | 0.047 (0.061) |
Divorced | 0.5912*** (0.183) | 0.607*** (0.210) | 0.139 (0.176) | 0.241 (0.173) |
Widowed | 0.521*** (0.119) | 0.731*** (0.196) | 0.424** (0.189) | 0.277 (0.238) |
Elementary school | −0.024 (0.050) | 0.007 (0.062) | 0.013 (0.042) | 0.041 (0.057) |
Middle school | −0.117* (0.065) | −0.080 (0.058) | −0.026 (0.055) | 0.055 (0.081) |
College | −0.172** (0.087) | −0.237*** (0.082) | −0.097*** (0.032) | −0.123*** (0.039) |
No jobs | −0.060 (0.110) | −0.230** (0.092) | −0.087 (0.055) | −0.095 (0.087) |
White-collar | −0.020 (0.175) | 0.028 (0.102) | −0.073* (0.041) | −0.020 (0.042) |
Service and sales | 0.115 (0.123) | 0.212** (0.100) | 0.112* (0.064) | 0.052 (0.088) |
Agriculture and fisheries | −0.122 (0.121) | −0.146 (0.109) | 0.112* (0.061) | 0.103 (0.069) |
Construction | 0.066 (0.116) | 0.147 (0.092) | 0.100* (0.059) | 0.030 (0.058) |
Duration of smoking | 0.012*** (0.002) | 0.018*** (0.002) | 0.022*** (0.002) | 0.022*** (0.003) |
Log price | −0.812*** (0.191) | −0.572*** (0.141) | −0.325** (0.132) | −0.341** (0.169) |
Constant | 6.014*** (1.086) | 4.825*** (0.824) | 3.852*** (0.598) | 4.311*** (0.831) |
Inverse Mills ratio | 1.086*** (0.348) | 1.374*** (0.446) | 0.180 (0.362) | −0.134 (0.425) |
N | 11 381 | 13 619 | 14 834 | 15 007 |
Robust SEs are presented in parenthesis, using the Huber/White/Sandwich estimator.
*<0.1, **<0.05, ***<0.001.