Evaluation of a Bladder Cancer Cluster in a Population of Criminal Investigators with the Bureau of Alcohol, Tobacco, Firearms and Explosives—Part 2: The Association of Cancer Risk and Fire Scene Investigation

Table 2

Distribution of age and tobacco use history among cases and controls.

	Cases (N = 7)		Controls (N = 1525)
	𝑁	%	𝑁	%
Age
<30 years	0	0%	85	5.5%
30–39 years	3	43%	625	41.0%
40–49 years	3	43%	640	42.0%
50–59 years	1	14%	169	11.1%
≥60 years	0	0%	6	0.4%
Tobacco use
None	3	43%	715	46.9%
<10 years	1	14%	506	33.2%
≥10 years	3	43%	304	19.9%