Table 4.
Distribution of lung cancer clusters by location of industrial facilities according to Lawson and Waller score test.
| Industrial facility | ZIP code | Test statistic | P-value (9 999 simulation runs) | Nominal P-value |
|---|---|---|---|---|
| Delphi Saginaw Steering Systems | 48601 | 9.47265 | .000100* | .000000 |
| Means Industries Inc Saginaw Facility | 48601 | 8.25636 | .000100* | .000000 |
| Safety-Kleen Systems | 48601 | 10.92670 | .000100* | .000000 |
| DOW Company Midland | 48640 | −9.52227 | 1.000000 | 1.000000 |
| Quantum Composites Inc. | 48642 | −9.11357 | 1.000000 | 1.000000 |
| Thompson Marine Products Inc. | 48655 | 1.441800 | .169400 | .074679 |
| Marathon Petroleum Co LLC Bay City MI Terminal | 48706 | 7.625880 | .000100* | .000000 |
| Straits Wood Treating | 48706 | 7.746250 | .000100* | .000000 |
| General Motors Corp Power Train Bay City | 48708 | 7.564160 | .000100* | .000000 |
| Essroc Cement Corp. | 48732 | 6.538380 | .000100* | .000000 |
α = 0.01; number of Monte Carlo simulations = 9 999, *statistically significant