For persons age 18 and older who indicated "Yes" to the question of if they have ever been diagnosed as having cancer or malignancy of any kind (CANCEREV), CNCOLN indicates if the type of cancer diagnosed was colon cancer. Cancer variables were introduced in 2008 as part of a series of questions on cancer.
Codes and Frequencies
ComparabilityThe comparability of this variable over time has not yet been assessed.
- 2008-2017 : PERWEIGHT