Description

For sample adults who had ever been diagnosed with Crohn's disease or ulcerative colitis (CROHNEV), CROHNAGE reports age at first diagnosis of this condition.

Information was also collected on whether the person experienced symptoms of this condition during the past 12 months (CROHNYR).

Comparability

This variable is only available in 1999.

Universe

Availability

• 1999

Weights

• 1999 : SAMPWEIGHT