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CTCOLLNO
Time since last CT colonoscopy: Number of units

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) and who chose to respond in time period format, CTCOLLNO reports the number of time units (how many days, weeks, months or years) since the respondent had their CT colonography or virtual colonoscopy. CTCOLLTP reports the corresponding type of time period (in days, weeks, months, or years). These two variables should be used together.

 

The survey form directed interviewers to, "Enter number for time since last CT colonography or virtual colonoscopy," and "Enter '95' for 95 or more."

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 and answered in number and time period format.

Availability

  • 2010, 2015

Weights