Confirmatory Factor Analysis of the German Version of the International Index of Erectile Function (IIEF): A Comparison of Four Models

The original five-factor structure could be confirmed. Due to high intercorrelations, the different domains cannot optimally be discriminated and should be interpreted with caution. Further research is needed to clarify the association between the domains of male sexual function. Kriston L, Günzler C, Harms A, and Berner M. Confirmatory factor analysis of the German version of the International Index of Erectile Function (IIEF): A comparison of four models.