Kansas GWI case definition
gastrointestinal symptoms, pain
The Kansas GWI Case Definition questionnaire was administered as a screening tool to determine eligibility to participate in the study. It has both inclusionary and exclusionary components. The Kansas GWI case definition was developed from a population-based survey of over 2,000 Kansas Gulf War Veterans [To be considered GWI+ the Veteran must endorse moderately severe or multiple symptoms in at least 3 of 6 symptom domains: fatigue/sleep problems, neurological/cognitive/mood symptoms, pain symptoms, gastrointestinal symptoms, respiratory symptoms, and skin symptoms. In addition, the first appearance of the symptoms must have been either during or after the Gulf War.