Codes and Frequencies
For sample persons ages 18 and older, CSIGNBLOD indicates if the person thinks unusual bleeding or discharge is a warning sign or symptom of cancer.
This variable is part of the attitudes and knowledge section of the Cancer Control
supplement introduced in the 1987 survey. For more information on the variables included in this section, please see CRSTRES, or use the IPUMS NHIS search function and drop-down menus.
- 1987: Half of sample persons age 18+ (excluded from CAEP supplement).
- 1987 : SAMPWEIGHT