Social and Behavioral Sciences Commons^™

An Examination Of Subtypes Of Posttraumatic Stress Disorder Utilizing Latent Profile And Taxometric Analyses, Joseph Finn

Dissertations

Prior studies examining PTSD subtypes have yielded mixed results, likely stemming in part from the use of divergent samples and measurement techniques. This study aimed to expand upon these findings by utilizing a large nationally-representative sample in combination with sophisticated statistical analyses. Utilizing a sample of 2496 adults with a diagnosis of PTSD, latent profile analysis was used to determine the optimal number and composition of latent classes of individuals diagnosed with PTSD, and then taxometric analysis was utilized to determine whether these classes differed not only in degree, but in kind.

Finally, class relationships with a number of external …