. Author manuscript; available in PMC: 2014 Jun 5.

Published in final edited form as: Cancer Causes Control. 2013 Jul 18;24(10):1821–1836. doi: 10.1007/s10552-013-0260-7

Table 4. Characteristics of Breast Cancer Patients included in the CBCSC compared with those in the CCR and in SEER, by Race/Ethnicity.

Risk factor	Source of Breast Cancer Case	Non-Latina Whites	African Americans	Latinas	Asian Americans
Total sample size	CBCSC	6,501	2,060	2,032	1,505
	CCR	208,542	17,099	38,459	24,298
	SEER (2000-6)	176,094	20,486	14,951	14,951
Stage III/IV ^a	CBCSC	6.4	9.8	8.8	7.2
	CCR	11.0	18.5	16.7	12.2
	SEER (2000-6)^a	12.3	21.4	18.1	12.4
Grade III/IV^b	CBCSC	27.2	42.4	35.5	37.8
	CCR	28.4	44.8	40.0	36.6
	SEER (1992-8)^b	32.1	43.2	40.7	36.0
ER-^c	CBCSC	16.8	31.3	25.7	19.9
	CCR	19.1	35.6	28.7	23.7
	SEER (1992-8)^d	22.0	39.2	31.8	25.5
Neighborhood SES –highest quintile	CBCSC	40.9	8.6	21.7	27.9
Neighborhood SES –highest quintile	CCR	31.5	8.7	11.4	31.0

Unknown stage was not included; SEER data from 2000-2006 (Ooi et al., 2011)(6)

Unknown differentiation was included; SEER data from 1992-1998 (Li et al., 2003)(5)

Unknown estrogen receptor (ER) was not included; SEER data from 1992-1998 (Li et al., 2003)(5)