Table 3.
Robustness check.
Explanatory variable | Explained Variable: Perinatal mortality | |||||
---|---|---|---|---|---|---|
(1) | (2) | (3) | (4) | (5) | (6) | |
New Average PM2.5 (log) | 1.127* | 1.139** | ||||
(0.621) | (0.451) | |||||
New Max PM2.5 (log) | 1.222** | 1.374*** | ||||
(0.487) | (0.342) | |||||
Average PM2.5 (log) | 1.035* | |||||
(0.621) | ||||||
Max PM2.5 (log) | 1.758*** | |||||
(0.554) | ||||||
GDP per capita(log) | − 5.133*** | − 4.802*** | − 2.847** | − 2.834** | − 2.876** | − 2.449* |
(1.082) | (1.099) | (1.378) | (1.380) | (1.370) | (1.398) | |
bed_pop | − 0.030 | − 0.038 | 0.149*** | 0.150*** | 0.141*** | 0.149*** |
(0.031) | (0.031) | (0.044) | (0.044) | (0.044) | (0.044) | |
ha_pop | − 0.066*** | − 0.070*** | − 0.075** | − 0.077** | − 0.073** | − 0.079** |
(0.024) | (0.024) | (0.035) | (0.035) | (0.035) | (0.035) | |
Urbanization | − 0.017 | − 0.009 | − 0.141 | − 0.134 | − 0.150* | − 0.136 |
(0.063) | (0.063) | (0.088) | (0.088) | (0.088) | (0.088) | |
Constant | 28.681*** | 30.520*** | 27.426*** | 26.596*** | 27.877*** | 20.730*** |
(5.056) | (4.735) | (5.703) | (5.691) | (5.396) | (5.535) | |
Year fixed effects | Y | Y | Y | Y | Y | Y |
Province fixed effects | Y | Y | Y | Y | Y | Y |
Province*Time trend | Y | Y | Y | Y | ||
Within Rsquared | 0.737 | 0.741 | 0.897 | 0.897 | 0.898 | 0.897 |
Observations | 434 | 434 | 434 | 434 | 434 | 434 |
Standard in parentheses, *p < 0.1, **p < 0.05, ***p < 0.01.