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Type of cancer first diagnosed for first biological child with known cancers

Codes and Frequencies

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CH1DIAC reports the type of cancer the sample person's first child with cancer was diagnosed with the FIRST time he or she was diagnosed with cancer. This was asked of sample persons ages 18 and older who reported that at least one biological child was ever diagnosed with cancer, provided the type of cancer which the first child was diagnosed as having, and reported that his or her first child with cancer was diagnosed with another type of cancer. Please use drop down menus for related variables.

NHIS released versions of this variable for up to five biological children who were ever diagnosed with cancer, but there were no in-universe responses for three, four, or five children with cancer. As such, these variables are not included in IPUMS NHIS.


There are no comparability issues with this variable.


  • 1987: Half of sample persons age 18+ (excluded from CACT supplement) who have at least 1 child (or an unknown number of children), for whom any children have been diagnosed with cancer, and whose first child reported as having known cancer BOTH has a valid cancer code for the first cancer AND was diagnosed with another type of cancer and has a valid cancer code for the other cancer type.


  • 1987