IPUMS NHIS

NATIONAL HEALTH INTERVIEW SURVEY

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COLDIAGTIM

Time since colon condition diagnosed

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For sample adults who ever had a colon condition (SCFBICIBSYR), COLDIAGTIM reports the time since the respondent was diagnosed by a doctor.

There are no comparability issues with this variable.

1989: Sample persons age 18+ who ever had spastic colon, functional bowel, irritable colon, or irritable bowel syndrome.