Table 6

Zero order correlations among social, economic, and demographic characteristics for the zones

CoH exposure	SO₂ exposure	Household income	Unemployment rate	Poverty	High school or less	Less than grade 9	Manufacturing employment	Smokers (female)	Smokers (male)	Over 65	Mean age of death	Distance to hospital
CoH exposure 1.00	0.56	−0.61	0.84	0.78	0.22	0.49	−0.09	0.54	0.55	−0.10	0.24	−0.60
SO₂ exposure	1.00	−0.62	0.64	0.73	0.31	0.41	−0.13	0.59	0.56	−0.11	0.13	−0.32
Household income		1.00	−0.89	−0.95	−0.66	−0.89	−0.25	−0.87	−0.77	−0.20	0.17	0.83
Unemployment rate			1.00	0.90	0.69	0.88	0.34	0.91	0.89	−0.17	−0.22	−0.65
Poverty				1.00	0.46	0.75	0.00	0.76	0.67	0.22	0.10	−0.85
High school or less					1.00	0.91	0.87	0.92	0.93	−0.43	−0.84	−0.22
Less than grade 9						1.00	0.65	0.97	0.92	−0.13	−0.57	−0.60
Manufacturing employment							1.00	0.63	0.68	−0.58	−0.98	0.14
Smokers (female)								1.00	0.98	−0.28	−0.56	−0.48
Smokers (male)									1.00	−0.46	−0.61	−0.33
Over 65										1.00	0.58	−0.62
Mean age of death											1.00	−0.25
Distance to hospital												1.00