From: Urban–rural disparity in the relationship between ambient air pollution and preterm birth
Variable | PM2.5 concentration | Preterm rate | Bivariate |
---|---|---|---|
Hubei | 0.970 (0.00)* | 0.861 (0.00)* | 0.106 (0.00)* |
East | 0.968 (0.00)* | 0.940 (0.00)* | 0.697 (0.00)* |
Middle | 0.872 (0.00)* | 0.856 (0.00)* | − 0.004 (0.44) |
West | 0.927 (0.00)* | 0.731 (0.00)* | 0.049 (0.02)* |