Table 8.
Robustness test
| Maternal mortality | Under-5 mortality | |||
|---|---|---|---|---|
| (1) | (2) | (1) | (2) | |
| Density of population | -0.987*** | -0.982*** | -1.081*** | -1.102*** |
| (0.0339) | (0.0329) | (0.0272) | (0.0271) | |
| GDP per capita | -8.25e-06*** | -1.17e-05*** | -6.41e-06*** | -5.83e-06*** |
| (1.32e-06) | (1.56e-06) | (1.28e-06) | (1.29e-06) | |
| Current health expenditure per capita | -3.56e-05*** | -1.66e-05 | -6.80e-05*** | -6.94e-05*** |
| (1.36e-05) | (1.57e-05) | (1.31e-05) | (1.29e-05) | |
| PM2.5 air pollution, mean annual exposure | 0.00571*** | 0.00632*** | 0.00707*** | 0.00812*** |
| (0.00104) | (0.00103) | (0.000837) | (0.000845) | |
| Constant | 8.164*** | 8.169*** | 7.532*** | 7.609*** |
| (0.145) | (0.140) | (0.116) | (0.116) | |
| Observations | 3,458 | 3,629 | 3,458 | 3,629 |
| N | 175 | 175 | 175 | 175 |
| R-squared | 0.306 | 0.325 | 0.442 | 0.451 |
Note: Standard errors in parentheses
*** p < 0.01, ** p < 0.05, * p < 0.1