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Original Articles

The Relationship of Gender and Trauma Characteristics to Posttraumatic Stress Disorder in a Community Sample of Traumatized Northern Plains American Indian Adolescents and Young Adults

Mukund Gnanadesikan, MD; Douglas K. Novins, MD; and Janette Beals, PhD; for the American Indian Service Utilization, Psychiatric Epidemiology, Risk and Protective Factors Project (AI-SUPERPFP)/Healthy Ways Research Teams

Published: September 15, 2005

Article Abstract

Objective: Previous studies have identified a high prevalence (25%-80%) of trauma among American Indian and non-American Indian adolescents and adults. However, only a fraction of traumatized individuals develop posttraumatic stress disorder (PTSD). This article examines the relationships of gender and trauma characteristics to a diagnosis of PTSD among a community sample of traumatized American Indian adolescents and young adults.

Method: Complete data were collected from 349 American Indians aged 15 to 24 years who participated in a cross-sectional community-based study from July 1997 to December 1999 and reported experiencing at least 1 traumatic event. Traumatic events and PTSD were assessed using a version of the Composite International Diagnostic Interview. Logistic regression determined the relationships of gender, trauma type, age at first trauma, and number of traumas to the development of PTSD.

Results: Forty-two participants (12.0% of those who experienced a traumatic event) met criteria for lifetime PTSD. While all 4 of the independent variables noted above demonstrated univariate associations with PTSD, multivariate logistic regression analyses indicated that only experiencing a sexual trauma (odds ratio [OR] = 4.45, 95% confidence interval [CI] = 1.76 to 11.28) and having experienced 6 or more traumas (OR = 2.53, 95% CI = 1.06 to 6.04) were independent predictors of meeting criteria for PTSD.

Conclusion: American Indian children and adolescents who experience sexual trauma and multiple traumatic experiences may be at particularly high risk for developing PTSD.

Volume: 66

Quick Links: PTSD , Trauma

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