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  • Title: Personality and clinical characteristics in patients with trichotillomania.
    Author: Christenson GA, Chernoff-Clementz E, Clementz BA.
    Journal: J Clin Psychiatry; 1992 Nov; 53(11):407-13. PubMed ID: 1459972.
    Abstract:
    BACKGROUND: Trichotillomania, a disorder of self-directed hair pulling, has been the subject of few systematic studies. Although personality characteristics and disorders are often noted to coexist with trichotillomania, no thorough assessment of comorbidity with DSM-III-R Axis II disorders has been published. The present study was conducted to evaluate personality disorders and other personality characteristics in a large outpatient population of trichotillomanics and to compare these findings with those in a nontrichotillomanic comparison group. METHOD: Forty-eight outpatient female trichotillomanics were evaluated with the Structured Interview for DSM-III-R Personality Disorders (SIDP-R) and the revised version of the Minnesota Multiphasic Personality Inventory (MMPI-2). Personality disorders and personality cluster symptom scores from the SIDP-R and MMPI-2 scales were compared with those derived from a comparison group of 48 age-matched female outpatient psychiatric patients. RESULTS: Forty-two percent of the trichotillomanic group met criteria for a personality disorder. The only statistically significant difference in frequency of diagnoses between the trichotillomanic and comparison groups was a greater frequency of borderline personality disorder in the comparison group. Trichotillomanics demonstrated significantly less SIDP-R cluster A personality symptoms as well as less depression and better psychological adjustment on the MMPI-2. CONCLUSION: Our study suggests that no particular personality disorder or trait characterizes female trichotillomanics. Female trichotillomanics seeking psychiatric intervention appear to have better psychological adjustment and less psychopathology in general than other psychiatric outpatients.
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