Description
For sample adults with at least one full sister (FSNUM) who ever had uterus cancer (FSUTCAN), FSAUTCAN reports whether the respondent's full sister(s) were under 50 years of age when the uterus cancer was first diagnosed.
FSAUTCAN 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:
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 "full siblings" as people who have "the same biological father and mother." Thus, a respondent's full sister is a sister who has the same biological father and mother as the respondent (i.e., not half-sisters, stepsisters, adopted sisters, foster sisters, or sisters-in-law).
I. Related Variables for Full Sister(s)
Sample adults with at least one full sister (FSNUM) who ever had cancer of any kind (FSNHCAN) were asked the follow-up question, "What kinds of cancer did your [full] sister(s) have?" As noted in the 2000, 2005, and 2010 Survey Descriptions, respondents could specify up to two types of cancer for their siblings. A complete listing of other types of cancer, other than uterus cancer, respondents could report can be found in FSUTCAN.
II. Uterus Cancer Variables for Other Biological Relatives
In addition to questions about full sister(s), the "Family History" section of the 2000, 2005, and 2010 Cancer Modules also included questions about respondents' biological daughter(s), biological son(s), full brother(s) (i.e., brother(s) with the same biological father and biological mother as the respondent), biological father, and biological mother. A complete listing of uterus cancer variables for other biological relatives can be found in FSUTCAN.
Comparability
FSAUTCAN is fully comparable between 2005 and 2010.
FSAUTCAN 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 sister(s) ever had uterine cancer.
Codes and Frequencies
Availability
- 2000, 2005, 2010
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Weights
- 2000, 2005, 2010 : SAMPWEIGHT
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