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CTCOLLGYRR1
Time since last CT colonoscopy: Grouped year recode 1 (2005 method)

Codes and Frequencies



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Description

For sample adults aged 40 years and older who ever had a CT colonography or virtual colonoscopy (CTCOLEV), CTCOLLGYRR1 is a recoded variable that reports the time since the respondent's most recent procedure using the same method as the 2005 survey.

 

This recoded variable is based on the following variables:

CTCOLLNO Time since last CT colonoscopy: units
CTCOLLTP Time since last CT colonoscopy: time period
CTCOLLDMO Calendar month of last CT colonoscopy
CTCOLLDYR Year of last CT colonoscopy
CTCOLLESTY Time since last CT colonoscopy: grouped year estimate

The 2010 and 2015 Cancer Layout file notes that, "This is a time category recode for the time since the most recent CT colonography or virtual colonoscopy. All available information was used and the recoded variable was pre-filled with the response to the time category question first, if available. These data are provided by the respondent and are not imputed."

For more information, please see CTCOLEV.

Comparability

There are no comparability issues.

Universe

  • 2010; 2015: Sample adults age 40+ who have had a CT colonography or virtual colonoscopy.

Availability

  • 2010, 2015

Weights