Table 1

Descriptive statistics for pollution and mortality data

Variable	Number of days	25^th centile	Mean	75^th centile	IQR
Citywide
Total mortality	3260	6.00	8.42	10.00	1.58
Mean daily CoH	3260	0.25	0.42	0.53	0.11
Mean daily SO₂	3260	2.42	6.57	9.50	2.93
Zonal
Downtown core mortality	3260	1.00	1.64	2.00	0.36
Industrial north mortality	3260	0.00	1.31	2.00	0.69
Industrial east mortality	3260	1.00	1.85	3.00	1.15
Hamilton mountain mortality	3260	1.00	2.07	3.00	0.93
Hamilton west mortality	3260	1.00	1.55	2.00	0.45
Downtown core CoH	3260	0.27	0.47	0.59	0.12
Industrial north CoH	3260	0.30	0.52	0.66	0.15
Industrial east CoH	3260	0.23	0.37	0.47	0.09
Hamilton mountain CoH	3260	0.17	0.30	0.38	0.08
Hamilton west CoH	3260	0.20	0.40	0.53	0.13
Downtown core SO₂	2858	1.25	7.36	10.83	3.47
Industrial north SO₂	2858	1.25	8.13	12.08	3.96
Industrial east SO₂	2858	0.91	4.71	7.50	2.79
Hamilton mountain SO₂	2858	1.30	6.82	10.00	3.18
Hamiltin west SO₂	2858	0.87	5.16	8.32	3.15