Developing a measure to assess attitudes toward epilepsy in the US population.

The aim of this study was to develop an instrument to measure the US public's attitudes toward people with epilepsy and to assess the initial reliability and validity of the instrument. A 46-item attitudinal instrument was developed and tested using a proportional, stratified, national, random-digit dial household telephone survey of adults aged > or = 18 (n=758). Exploratory factor analyses revealed four underlying constructs that accounted for 34.