Dichotomous factor analysis of symptoms reported by UK and US veterans of the 1991 Gulf War

Factor analysis is one of the most used statistical techniques to analyze the inter-relationships among symptoms reported by Gulf War veterans. The objective of this study was to apply factor analyses to binary symptom data from the UK study of Gulf War illness and the US Air Force study of Gulf War veterans, and to compare the symptom domains derived from the distinct samples. UK veterans of the 1991 Gulf War (n = 3,454), individuals deployed...