The association of neighborhood-level social class and tobacco consumption with adverse lung cancer characteristics in Maryland.

The final most parsimonious model for males contains only a statistically significant protective effect of age, with older cases being less likely to have later stage at diagnosis (OR=0.99, 95% CI: 0.97–0.99), as well as increased risk with aggressive histological grade (OR=1.25, 95% CI: 0.97–1.60, with a trend towards significance at p<0.10).

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