Table 4.

Independent association of nativity and joint associations (Hazard Ratios, 95% Confidence Intervals; 5-year survival probabilities) of neighborhood socioeconomic status (nSES)/ethnic enclave and survival after breast cancer, CA and TX, 1996–2005

	All-cause mortality				Breast cancer-specific mortality
	Fully Adjusted HR (95% CI)		5-year survival Probability (95% CI)		Fully Adjusted HR (95% CI)		5-year survival Probability (95% CI)
CALIFORNIA
Nativity
US Born (ref)	1.00		0.926	(0.919–0.932)	1.00		0.980	(0.976–0.983)
Foreign Born	1.12	(1.07–1.17)	0.918	(0.911–0.924)	1.17	(1.10–1.25)	0.976	(0.973–0.980)
Joint nSES/ enclave measure
High SES, Enclave	0.89	(0.84–0.95)	0.934	(0.927–0.940)	0.95	(0.87–1.03)	0.981	(0.977–0.984)
High SES, Non-Enclave	0.85	(0.81–0.89)	0.936	(0.931–0.941)	0.89	(0.83–0.95)	0.982	(0.979–0.984)
Low SES, Enclave (ref)	1.00		0.926	(0.919–0.932)	1.00		0.980	(0.976–0.983)
Low SES, Non-Enclave	1.15	(1.06–1.26)	0.914	(0.904–0.922)	1.13	(1.00–1.28)	0.977	(0.972–0.981)
TEXAS
Nativity
US Born (ref)	1.00		0.909	(0.900–0.917)	1.00		0.977	(0.972–0.981)
Foreign Born	1.17	(1.09–1.25)	0.895	(0.884–0.905)	1.26	(1.16–1.37)	0.971	(0.965–0.977)
Joint nSES/ enclave measure
High SES, Enclave	0.91	(0.85–0.97)	0.917	(0.909–0.925)	0.94	(0.86–1.02)	0.979	(0.974–0.982)
High SES, Non-Enclave	0.90	(0.85–0.96)	0.917	(0.909–0.925)	0.94	(0.87–1.02)	0.978	(0.974–0.982)
Low SES, Enclave (ref)	1.00		0.909	(0.900–0.917)	1.00		0.977	(0.972–0.981)
Low SES, Non-Enclave	1.09	(0.97–1.23)	0.900	(0.885–0.913)	1.06	(0.92–1.22)	0.975	(0.969–0.980)

Fully adjusted models include age at diagnosis, tumor grade, tumor size, year of diagnosis, histology, underlying stratification by stage and clustering by census tract.