US	United States
BC	Breast cancer
OR	Odds ratio
95% CI	95% confidence interval
I3C	indole-3-carbinol
DIM	3,3′-diindolylmethane
ITC	isothiocyanates
DMA	Detroit Metropolitan Area
MSU	Michigan State University
WSU	Wayne State University
ISCR	Illinois State Cancer Registry
IRB	Institutional Review Board
OSR	Office for Survey Research
IPPSR	Institute for Public Policy and Social Research
RDD	Random Digit Dialing
HCFA	Health Care Financing Administration
NORC	National Opinion Research Center
RR4	Response Rate 4
AAPOR	American Association for Public Opinion Research
PWHS	Polish Women’s Health Study
FFQ	Food frequency questionnaire
NHS	Nurses’ Health Study
MDCSS	Metropolitan Detroit Cancer Surveillance System
FTP	Full-term pregnancy
OC	Oral contraceptive
HRT	Hormone replacement therapy
MET	Metabolic Equivalent
MET-h	MET hours
BMI	Body mass index
DMBA	7,12-dimethylbenz[a]anthracene