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COLLDYR
Calendar year of last colonoscopy

Codes

COLLDYR is a 4-digit-numeric variable.

0: Not in universe
9996: Time period format
9997: Unknown-refused
9998: Unknown-not ascertained
9999: Unknown-don't know

Description

For sample adults aged 40 and older who ever had a colonoscopy (COLEV), COLLDYR reports the year of the respondent's colonoscopy. COLLDMO reports the month of most recent colonoscopy, accompanies this variable. These two variables should be used together.

The survey form directed interviewers to, "Enter year of last colonoscopy."

For more information, please see COLEV.

Comparability

There are no comparability issues.

Universe

  • 2010; 2013; 2015: Sample adults age 40+ who have had a colonoscopy.

Availability

  • 2010, 2013, 2015

Weights