Latent Class Analysis of Emotions Experienced During Compulsive Hair-Pulling Episodes
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The present study sought to identify subgroups among participants who experienced compulsive hair-pulling episodes. Data was collected from participants in an online treatment program for trichotillomania (TTM; N=1,728). A latent class analysis was used to identify patterns of emotions associated with compulsive hair-pulling episodes. Six classes of participants were found. These six classes reflected three predominant themes, one of which differs notably from contemporary conceptualizations of TTM, and all three themes have direct implications for personalizing treatment to individualized symptom presentations. Participant classes did not show substantial differences on clinical measures, and accordingly this work highlights unique symptom patterns that are not readily identified by existing clinical measures.