SIGLDYR is a 4-digit-numeric variable.
0: Not in universe
9996: Time period format
9998: Unknown-not ascertained
9999: Unknown-don't know
For sample adults aged 40 years and older who ever had a sigmoidoscopy (SIGEV), SIGLDYR reports the year of the respondent's sigmoidoscopy.
SIGLDMO reports the month of most recent sigmoidoscopy, accompanies this variable.
The survey form directs interviewers to, "Enter year of last sigmoidoscopy."
For more information, please see SIGEV.
- SIGLESTY: grouped year estimate of the number of years since the respondent's last sigmoidoscopy
- 2010; 2013; 2015: Sample adults age 40+ who have had a sigmoidoscopy.
- 2010, 2013, 2015
- 2010, 2013 : SAMPWEIGHT