Table 1.

Selected characteristics of eligible breast cancer cases in the Carolina Breast Cancer Study, Phases 1

	Totala		Normalb		Overweightb		Obeseb
	N	%	N	%	N	%	N	%
Total	492	100%	195	100%	147	100%	150	100%
Race
African-American	200	40.7%	37	19.0%	61	41.5%	102	68.0%
White	282	57.3%	152	77.9%	83	56.5%	47	31.3%
Other	10	2.0%	6	3.1%	3	2.0%	1	0.7%
Menopausal Status
Premenopausal	262	53.3%	108	55.4%	78	53.1%	76	50.7%
Postmenopausal	230	46.7%	87	44.6%	69	46.9%	74	49.3%
Alcohol Use
Never	141	28.7%	41	21.0%	45	30.6%	55	36.7%
Ever	351	71.3%	154	79.0%	102	69.4%	95	63.3%
Smoking Status
Never	251	51.0%	93	47.7%	79	53.7%	79	52.7%
Former	146	29.7%	57	29.2%	42	28.6%	47	31.3%
Current	95	19.3%	45	23.1%	26	17.7%	24	16.0%
Income, $
<15,000	119	24.2%	31	17.2%	30	22.6%	58	40.3%
15,000 – 30,000	99	20.1%	38	21.1%	27	20.3%	34	23.6%
30,000 – 50,000	113	23.0%	50	27.8%	33	24.8%	30	20.8%
≥50,000	126	25.6%	61	33.9%	43	32.3%	22	15.3%
Educationc
<High School	90	18.3%	18	9.2%	26	17.7%	46	30.7%
High School	269	54.7%	107	54.9%	87	59.2%	75	50.0%
College	133	27.0%	70	35.9%	34	23.1%	29	19.3%
ER-Positived
Yes	285	59.6%	118	62.1%	77	54.2%	90	61.6%
No	193	40.4%	72	37.9%	65	45.8%	56	38.4%
Stagee
I	168	36.7%	73	38.8%	49	36.8%	46	33.6%
II	238	52.0%	99	52.7%	70	52.6%	69	50.4%
III & IV	52	11.4%	16	8.5%	14	10.5%	22	16.1%

^aColumns may not sum to total due to missing data

^bNormal weight: 18.5 ≤ BMI < 25; overweight: 25 ≤ BMI < 30; obese: BMI ≥ 30

^cHigh School: high school completion (or equivalent), technical or business school, and some college; College: college completion and post-graduate school or professional degree

^dER=Estrogen-Receptor

^eAccording to AJCC breast tumor staging guidelines