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Calendar month of last sigmoidoscopy

Codes and Frequencies

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For sample adults aged 40 years and older who ever had a sigmoidoscopy (SIGEV), SIGLDMO reports the calender month of the respondent's most recent sigmoidoscopy. SIGLDYR reports the year of most recent sigmoidoscopy, accompanies this variable.

The survey form directs interviewers to, "Enter month of last exam," and "Enter '96' to go to number and time period format."

For more information, please see SIGEV.

Related Variables

  • SIGLESTY: grouped year estimate of the number of years since the respondent's last sigmoidoscopy


There are no comparability issues.


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


  • 2010, 2013, 2015