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BFASNCAN
Biological father under 50 when first diagnosed with skin cancer (unknown kind)

Codes and Frequencies



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Description

For sample adults whose biological father ever had skin cancer (and didn't know what kind) (BFSNCAN), BFASNCAN reports whether the respondent's biological father was under 50 years of age when first diagnosed with the unknown kind of skin cancer. Melanoma and non-melanoma skin cancer were included as response options in all years.

BFASNCAN is one of a series of related variables in the "Family History" section of the 2000 and later Cancer Modules. In all 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 and later Manuals provide a similar rationale, stating that the collection of these data "will allow analysts a greater understanding of how family history relates to cancer."

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

Comparability

BFASNCAN is fully comparable between 2005 and later years.

BFASNCAN is largely comparable between 2000 and 2005 and later years, 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 later years.

The Survey Descriptions for all 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." 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, whereas in 2005 and later years, 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; 2015: Sample adults aged 18 and older whose biological father ever diagnosed with skin cancer (unknown kind).

Availability

  • 2000, 2005, 2010, 2015

Weights