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BMUTCAN
Biological mother had uterine cancer
Group: Family Cancer History — PERSON

Description

For sample adults whose biological mother ever had cancer of any kind (BMHCAN), BMUTCAN reports whether the respondent's biological mother ever had uterus cancer.

BMUTCAN is one of a series of related variables in the "Family History" section of the 2000, 2005, and 2010 Cancer Modules. In all three years, this section begins with the general comment:

We would like to ask you a few questions about your family history of cancer.

According to the 2000 and 2005 Field Representative's Manuals, the purpose of this and other family cancer history questions is to "determine the prevalence of cancer in families in the population" to "allow a greater understanding of how data obtained from genetics clinics can be applied to the general population." The 2010 Manual provides a similar rationale, stating that the collection of this data "will allow analysts a greater understanding of how family history relates to cancer."

The Manuals for all three years define "biological" relatives as people related by blood. Thus, a respondent's biological mother is a mother related to the respondent by blood (i.e., not a stepmother, adoptive mother, foster mother, or mother-in-law).

I. Related Variables for Biological Mother 

Sample adults with a biological mother who ever had cancer of any kind (BMHCAN) were asked the follow-up question, "What kinds of cancer did your [biological] mother have?" As noted in the 2000, 2005, and 2010 Survey Descriptions, respondents could specify up to two types of cancer for their parents. Besides uterus cancer, other possible types of cancer that respondents could report for their biological mother were:

  • Skin (don't know what kind) (BMSNCAN)
  • Soft Tissue (muscle/fat) (BMSTCAN)

When a respondent reported having a biological mother who ever had uterus cancer (BMUTCAN) or one of the other kinds of cancers noted above, the respondent was then asked whether their biological mother was under 50 years of age when first diagnosed with uterus cancer (BMAUTCAN) or whatever other kind of cancer had been reported.

II. Uterus Cancer Variables for Other Biological Relatives 

In addition to questions about the respondent's biological mother, the "Family History" section of the 2000, 2005, and 2010 Cancer Modules also included questions about respondent's biological son(s), biological daughter(s), full brother(s) (i.e., brother(s) with the same biological father and biological mother as the respondent), full sister(s), and biological father. For example, to analyze uterus cancer, researchers may find the following variables useful:

  • Biological son(s) had uterus cancer (BSUTCAN)
  • Number of biological sons with uterus cancer (BSNUTCAN)
  • Number of biological sons under 50 years of age when first diagnosed with uterus cancer (BSAUTCAN)
  • Biological daughter(s) had uterus cancer (BDUTCAN)
  • Number of biological daughters with uterus cancer (BDNUTCAN)
  • Number of biological daughters under 50 years of age when first diagnosed with uterus cancer (BDAUTCAN)
  • Full brother(s) had uterus cancer (FBUTCAN)
  • Number of full brothers with uterus cancer (FBNUTCAN)
  • Number of full brothers under 50 years of age when first diagnosed with uterus cancer (FBAUTCAN)
  • Full sister(s) had uterus cancer (FSUTCAN)
  • Number of full sisters with uterus cancer (FSNUTCAN)
  • Number of full sisters under 50 years of age when first diagnosed with uterus cancer (FSAUTCAN)
  • Biological father had uterus cancer (BFUTCAN)
  • Biological father under 50 years of age when first diagnosed with uterus cancer (BFAUTCAN)

Similar groups of variables are also available for the other kinds of cancers noted in I above.

Comparability

BMUTCAN is fully comparable between 2005 and 2010.

BMUTCAN is largely comparable between 2000 and 2005/2010, though there may be some difference in the meaning of "refused," "not ascertained," and "don't know" as used in 2000 compared to the meanings of those terms in 2005 and 2010.

The Survey Descriptions for all three years caution that while "all sample adults were to be asked the questions in the Cancer Control Module, some persons did not complete the supplement." However, whereas in 2000, persons who answered less than 50 percent of the questions in the supplement had a value of "not ascertained" automatically inserted in the appropriate fields of the Cancer Control Module file, in both 2005 and 2010, persons who answered none of the questions in the supplement had a value of "not ascertained" automatically inserted in the appropriate fields of the Cancer Control Module file.

Universe

  • 2000; 2005; 2010: Sample adults age 18+ whose mother ever had cancer.

Codes and Frequencies



Availability

  • 2000, 2005, 2010
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Weights

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