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  • Title: Exposure, threat appraisal, and lost confidence as predictors of PTSD symptoms following September 11, 2001.
    Author: Piotrkowski CS, Brannen SJ.
    Journal: Am J Orthopsychiatry; 2002 Oct; 72(4):476-85. PubMed ID: 15792033.
    Abstract:
    Six months after September 11, 2001 (9/11), 124 New York City workers participated in a self-report study of symptoms of posttraumatic stress disorder (PTSD). Although direct exposure to the terrorist attacks of 9/11 was limited, estimates of the prevalence of current PTSD in this mostly ethnic minority population ranged from 7.8% to 21.2%, as measured by the PTSD Checklist (F. W. Weathers, B. T. Litz, D. S. Herman, J. A. Huska, & T. M. Keane, 1993). Consistent with the study hypotheses, direct exposure to the attacks of 9/11, worries about future terrorist attacks (threat appraisal), and reduced confidence in self after 9/11 each predicted symptoms of PTSD, even after controlling for symptoms of anxiety and depression. These results support the idea that a traumatic event's meaning is associated with PTSD symptoms. Gender was not a significant predictor of symptoms, once other demographic variables were controlled. Most respondents who met the criteria for current PTSD had not sought therapy or counseling.
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