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This chapter summarizes recent findings on the epidemiology of PTSD in refugee and migrant populations. Comprehensive meta-analyses and systematic reviews suggest high levels of PTSD, of around 30% in the adult refugee population, which is at least five times higher than that of the general population. Similar results are found for children and adolescents. The influence of different demographic factors, including sex, as well as different latent class trajectories of trauma, is outlined. Risk factors are also explored, including the type and number of traumatic events, as well as contextual elements in the host country, such as social and familial support. These determinants compound and interact in complex ways. Finally, related diagnoses, such as complex PTSD (cPTSD), dissociative subtype (PTSD-DS), prolonged grief disorder (PGD), posttraumatic embitterment, and comorbidities are briefly discussed.

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The Epidemiology of Posttraumatic Stress Disorder: A Focus on Refugee and Migrant Populations

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  • 发表日期：

    2026年

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  • James K. Moran

摘要

This chapter summarizes recent findings on the epidemiology of PTSD in refugee and migrant populations. Comprehensive meta-analyses and systematic reviews suggest high levels of PTSD, of around 30% in the adult refugee population, which is at least five times higher than that of the general population. Similar results are found for children and adolescents. The influence of different demographic factors, including sex, as well as different latent class trajectories of trauma, is outlined. Risk factors are also explored, including the type and number of traumatic events, as well as contextual elements in the host country, such as social and familial support. These determinants compound and interact in complex ways. Finally, related diagnoses, such as complex PTSD (cPTSD), dissociative subtype (PTSD-DS), prolonged grief disorder (PGD), posttraumatic embitterment, and comorbidities are briefly discussed.