Prevalence of Post-traumatic Stress Disorder and Depression After the September 19, 2017 Earthquake in Mexico.

Background And Aim: Natural disasters cause mental disorders, the most frequent are Post-traumatic stress disorder (PTSD) and depression, which should be quickly identified for immediate psychological care. The aim of this study was to estimate the frequency of these disturbances in a population with social security, located in the states hit by the earthquake that took place on September 19, 2017 in Mexico.

Methods: To identify persons with PTSD and depression, a random sample of the population was screened (1-2 months' post-earthquake) in primary health care clinics at the Mexican Institute of Social Security (IMSS).