Distribution of Key Variables

The following table provides links to the distributions of key variables by year collected in the BCSC.

Table	Statistic
Women	N	Percent
Breast cancers	N	Percent
Exams	N	Percent
Indication for exam	N	Percent
Symptoms (self-reported)	N	Percent
Time since last mammogram	N	Percent
Time since last clinical breast exam	N	Percent
Any mammogram performed	N	Percent
Digital mammograms	N	Percent
Ultrasounds	N	Percent
Breast density	N	Percent
Radiologists	N	Percent
Facilities where mammograms were taken	N	Percent
Facilities where mammograms were read	N	Percent
Age	N	Percent
Race	N	Percent
Body mass index	N	Percent
Highest level of education completed	N	Percent
Menopause	N	Percent
Current hormone therapy use	N	Percent
Previous breast cancer	N	Percent
Family history of breast cancer	N	Percent
Ever given birth	N	Percent
Age at first birth	N	Percent
Age at menarche	N	Percent
Covered by Medicare	N	Percent
Covered by Medicaid	N	Percent
Covered by private insurance	N	Percent
Covered by managed care insurance	N	Percent




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