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Updated: Apr 29, 2026

A Modified Trier Social Stress Test for Vulnerable Mexican American Adolescents
Published on: July 10, 2017
Posttraumatic stress disorder in a nationally representative mexican community sample
Guilherme Borges1, Corina Benjet, Maria Petukhova
1Dirección de Investigaciones Epidemiológicas y Psicosociales, Instituto Nacional de Psiquiatría Ramón de La Fuente Muñiz, Mexico City, Mexico; Universidad Autónoma Metropolitana, Mexico City, Mexico.
Traumatic events are common in Mexico, with 68.8% experiencing them. Sexual violence poses the highest risk for developing posttraumatic stress disorder (PTSD), highlighting trauma as a significant public health issue.
Area of Science:
- Public Health
- Psychiatry
- Epidemiology
Background:
- Trauma exposure and posttraumatic stress disorder (PTSD) represent a significant public health challenge.
- Understanding the specific risks associated with different traumatic events is crucial for targeted interventions.
Purpose of the Study:
- To determine the public health burden of trauma exposure and PTSD in Mexico.
- To identify the conditional risk of PTSD for various traumatic events and other risk factors in the Mexican population.
Main Methods:
- Utilized data from a subsample (N = 2,362) of urban participants in the Mexican National Comorbidity Survey (2001-2002).
- Employed the World Health Organization's Composite International Diagnostic Interview (CIDI) to assess trauma exposure and PTSD (DSM-IV criteria).
- Assessed both the worst self-reported traumatic event and a randomly selected lifetime trauma for each respondent.
Main Results:
- Traumatic events are highly prevalent in Mexico, affecting 68.8% of the population.
- Lifetime PTSD prevalence was 1.5% overall and 2.1% among those exposed to trauma.
- Violence-related events, especially sexual violence, were strongly associated with increased PTSD risk.
Conclusions:
- Trauma exposure is a considerable public health concern in Mexico.
- Sexual violence presents a particularly high risk for developing PTSD.
- Findings underscore the need for public health strategies addressing trauma and PTSD in Mexico.
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