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OBJECTIVE: This study was constructed to detail the demographic and phenomenological features of chronic hair pullers as well as to assess psychiatric comorbidity in a sizable study group. METHOD: Subjects were drawn from an outpatient population of chronic hair pullers who had been referred to a trichotillomania clinic or had responded to a newspaper advertisement announcing a treatment study of adults who pull out their hair. Sixty adult chronic hair pullers completed a semistructured interview that focused on their hair-pulling behavior and demographic characteristics and that incorporated screening questions for DSM-III-R axis I disorders. The data were tabulated to derive a comprehensive picture of this group. RESULTS: The typical subject was a 34-year-old woman who had pulled hair from two or more sites for 21 years. All subjects described either tension before or relief/gratification after pulling hair from the primary site, but 17% (N = 10) failed to describe both of these characteristics and thus failed to fulfill the DMS-III-R criteria for trichotillomania. Forty-nine subjects (82%) qualified for past or current axis I diagnoses other than trichotillomania. Several characteristics of the study group suggested phenomenological differences between obsessive-compulsive disorder and trichotillomania. CONCLUSIONS: Adult trichotillomania is a chronic disorder, frequently involving multiple hair sites, and is associated with high rates of psychiatric comorbidity. Its relation to obsessive-compulsive disorder requires further clarification. The tension-reduction requirement in DSM-III-R for the diagnosis of trichotillomania may be overly restrictive.
Christenson et al. (Fri,) studied this question.