Table 4.
The Moran’s I test for spatial correlation.
Year | Perinatal mortality | Average PM2.5 (log) | Max PM2.5 (log) | |||
---|---|---|---|---|---|---|
Moran’s I | P-value | Moran’s I | P-value | Moran’s I | P-value | |
2002 | 0.426 | 0.000 | 0.484 | 0.000 | 0.337 | 0.002 |
2003 | 0.463 | 0.000 | 0.505 | 0.000 | 0.384 | 0.001 |
2004 | 0.558 | 0.000 | 0.497 | 0.000 | 0.327 | 0.003 |
2005 | 0.623 | 0.000 | 0.506 | 0.000 | 0.352 | 0.001 |
2006 | 0.600 | 0.000 | 0.505 | 0.000 | 0.371 | 0.001 |
2007 | 0.560 | 0.000 | 0.558 | 0.000 | 0.458 | 0.000 |
2008 | 0.477 | 0.000 | 0.512 | 0.000 | 0.330 | 0.003 |
2009 | 0.396 | 0.000 | 0.484 | 0.000 | 0.393 | 0.000 |
2010 | 0.414 | 0.000 | 0.481 | 0.000 | 0.339 | 0.002 |
2011 | 0.478 | 0.000 | 0.520 | 0.000 | 0.389 | 0.000 |
2012 | 0.348 | 0.000 | 0.481 | 0.000 | 0.351 | 0.001 |
2013 | 0.386 | 0.000 | 0.525 | 0.000 | 0.425 | 0.000 |
2014 | 0.392 | 0.000 | 0.504 | 0.000 | 0.360 | 0.001 |
2015 | 0.403 | 0.000 | 0.546 | 0.000 | 0.496 | 0.000 |
Average | 0.466 | 0.000 | 0.508 | 0.000 | 0.379 | 0.001 |