Table 2

Mortality from selected causes of death by categories of cumulative exposure* to vinyl chloride from Cox regression models†

Melanoma, n=29Brain cancer, n=52Lung cancer, n=591NHL, n=64
nHR95% CInHR95% CInHR95% CINHR95% CI
Cumulative exposure*
<63 ppm-years5 Ref 13 Ref 96 Ref 14 Ref
63 to <287 ppm-years8 1.7 0.5 to 5.113 1.1 0.5 to 2.3123 1.3 1.0 to 1.78 0.6 0.3 to 1.4
287 to <865 ppm-years5 1.0 0.3 to 3.312 0.9 0.4 to 2.0128 1.3 1.0 to 1.79 0.6 0.3 to 1.4
865 to <2271 ppm-years4 0.7 0.2 to 2.66 0.4 0.2 to 1.2118 1.1 0.9 to 1.514 0.9 0.4 to 1.9
≥2271 ppm-years7 1.1 0.4 to 3.68 0.6 0.3 to 1.4126 1.1 0.9 to 1.519 1.2 0.6 to 2.3