Data Cart

Your data extract

0 variables
0 samples
View Cart
Warning sign of cancer: Difficulty swallowing

Codes and Frequencies

Can't find the category you are looking for? Try the Detailed codes


For sample persons ages 18 and older, CSIGNSWAL indicates if the person thinks difficulty swallowing 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.


Changes in survey design (e.g., quarters in which the supplement was collected) may affect raw frequencies, but do not affect comparability of the variable. As always, data users should use the prescribed IHIS weights.


  • 1987: Half of sample persons age 18+ (excluded from CAEP supplement).


  • 1987