Codes and Frequencies
Description
For sample persons ages 18 and older who reported that at least four full siblings were ever diagnosed with cancer by a doctor for which the sample person gave a valid cancer code, SIB4AGEC reports the age at which the sample person's fourth sibling with cancer was first diagnosed as having cancer.
Versions of this variable are available for up to five full siblings who were ever diagnosed with cancer. Please use the drop down menu and search function for related variables.
Comparability
No information available.Universe
- 1987: Half of sample persons age 18+ (excluded from CACT) who have at least 4 siblings (or an unknown number of siblings), for whom any of their siblings have been diagnosed with cancer, and whose fourth sibling reported as having known cancer has a valid cancer code.
Availability
- 1987
Weights
- 1987 : SAMPWEIGHT