Fabrice Rivollier1, Hugo Peyre2, Nicolas Hoertel3, Carlos Blanco4, Frédéric Limosin5, Richard Delorme6. 1. INSERM UMR 894, Psychiatry and Neurosciences Center, Paris Descartes University, PRES Sorbonne Paris Cité, Paris, France; Sainte-Anne Hospital, Service Hospitalo-Universitaire, Paris Descartes University, Paris, France. Electronic address: f.rivollier@gmail.com. 2. Assistance Publique-Hôpitaux de Paris, Robert Debré Hospital, Child and Adolescent Psychiatry Department, Paris, France; Cognitive Sciences and Psycholinguistic Laboratory, Ecole Normale Supérieure, Paris, France. 3. INSERM UMR 894, Psychiatry and Neurosciences Center, Paris Descartes University, PRES Sorbonne Paris Cité, Paris, France; Department of Psychiatry, New York State Psychiatric Institute/Columbia University, New York, NY 10032, USA; Assistance Publique-Hôpitaux de Paris, Corentin Celton Hospital, Department of Psychiatry, Issy-les-Moulineaux, France. 4. Department of Psychiatry, New York State Psychiatric Institute/Columbia University, New York, NY 10032, USA. 5. INSERM UMR 894, Psychiatry and Neurosciences Center, Paris Descartes University, PRES Sorbonne Paris Cité, Paris, France; Assistance Publique-Hôpitaux de Paris, Corentin Celton Hospital, Department of Psychiatry, Issy-les-Moulineaux, France. 6. Assistance Publique-Hôpitaux de Paris, Robert Debré Hospital, Child and Adolescent Psychiatry Department, Paris, France; Human Genetics and Cognitive Functions, Pasteur Institute, Paris, France.
Abstract
BACKGROUND: Whether there are systematic sex differences in posttraumatic stress disorder (PTSD) symptom expression remains debated. Using methods based on item response theory (IRT), we aimed at examining differences in the likelihood of reporting DSM-IV symptoms of PTSD between women and men, while stratifying for major trauma type and equating for PTSD severity. METHOD: We compared data from women and men in a large nationally representative adult sample, the National Epidemiologic Survey on Alcohol and Related Conditions. Analyses were conducted in the full population sample of individuals who met the DSM-IV criterion A (n=23,860) and in subsamples according to trauma types. RESULTS: The clinical presentation of the 17 DSM-IV PTSD symptoms in the general population did not substantially differ in women and men in the full population and by trauma type after equating for levels of PTSD severity. The only exception was the symptom "foreshortened future", which was more likely endorsed by men at equivalent levels of PTSD severity. LIMITATIONS: The retrospective nature of the assessment of PTSD symptoms could have led to recall bias. Our sample size was too small to draw conclusions among individuals who experienced war-related traumas. CONCLUSIONS: Our findings suggest that the clinical presentation of PTSD does not differ substantially between women and men. We also provide additional psychometric support to the exclusion of the symptom "foreshortened future" from the diagnostic criteria for PTSD in the DSM-5.
BACKGROUND: Whether there are systematic sex differences in posttraumatic stress disorder (PTSD) symptom expression remains debated. Using methods based on item response theory (IRT), we aimed at examining differences in the likelihood of reporting DSM-IV symptoms of PTSD between women and men, while stratifying for major trauma type and equating for PTSD severity. METHOD: We compared data from women and men in a large nationally representative adult sample, the National Epidemiologic Survey on Alcohol and Related Conditions. Analyses were conducted in the full population sample of individuals who met the DSM-IV criterion A (n=23,860) and in subsamples according to trauma types. RESULTS: The clinical presentation of the 17 DSM-IV PTSD symptoms in the general population did not substantially differ in women and men in the full population and by trauma type after equating for levels of PTSD severity. The only exception was the symptom "foreshortened future", which was more likely endorsed by men at equivalent levels of PTSD severity. LIMITATIONS: The retrospective nature of the assessment of PTSD symptoms could have led to recall bias. Our sample size was too small to draw conclusions among individuals who experienced war-related traumas. CONCLUSIONS: Our findings suggest that the clinical presentation of PTSD does not differ substantially between women and men. We also provide additional psychometric support to the exclusion of the symptom "foreshortened future" from the diagnostic criteria for PTSD in the DSM-5.
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