Birth addresses relative to a 1.0 km boundary selected hazards
| 1,3-buta-diene | Carbon monoxide | PM10 | Dioxins | Benz-pyrene | Benzene | NMVOC | Nitrogen oxides | Merged groups | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 1 to 4 | |
| *Numbers differ slightly between hazard types. Migrants with both addresses far distant (>50.0 km) from any hazard, or with a very short radial difference (<0.1 km) were excluded. | |||||||||
| Number of hotpoints | 11949 | 13371 | 39749 | 1078 | 13813 | 59811 | 53279 | 53875 | 48697 |
| Internal non-migrants | 895 | 1308 | 1889 | 140 | 832 | 2924 | 2855 | 2381 | 2188 |
| Internal migrants | 1368 | 2226 | 3164 | 67 | 1120 | 5844 | 5636 | 4558 | 3969 |
| Migration out | 2227 | 2349 | 2118 | 467 | 1265 | 899 | 958 | 1528 | 1853 |
| Migration in | 604 | 653 | 877 | 214 | 698 | 434 | 468 | 597 | 760 |
| External migrants | 3425 | 2422 | 1493 | 6319 | 4570 | 476 | 591 | 968 | 1070 |
| External non-migrants | 2764 | 2351 | 1770 | 3519 | 2827 | 735 | 804 | 1278 | 1471 |
| Total inside births | 4490 | 5883 | 7171 | 674 | 3217 | 9667 | 9449 | 8467 | 8010 |
| Total outside births | 6793 | 5426 | 4140 | 10052 | 8095 | 1645 | 1863 | 2843 | 3301 |
| All births* | 11283 | 11309 | 11311 | 10726 | 11312 | 11312 | 11312 | 11310 | 11311 |
| Relative risk | 3.81 | 3.75 | 2.49 | 2.21 | 1.92 | 2.12 | 2.08 | 2.63 | 2.52 |
| Attributable risk/100 | 29.3 | 38.1 | 37.9 | 3.4 | 13.6 | 45.1 | 43.4 | 46.4 | 42.7 |