The results of this study suggest that the prevalence of eating and anxiety disorder comorbidity is high. The present research should improve the clinical understanding of the comorbidity between eating disorders and anxiety disorders. In particular, it is anticipated that this research will have significant aetiological and therapeutic implications especially with regard to improving the clinical effectiveness of psychological treatments for eating disorders and highlighting the importance of screening for eating pathology in the clinical assessment of anxiety disorders.

The CBT treatment was associated with significant and sustained improvements in psychological functioning but did not improve fluency.

Implications for the use of the UTBAS as an outcome measure and a clinical tool are discussed, along with the potential value of the UTBAS to explore the well-documented social anxiety experienced by those who stutter.