Background: This study investigates acculturation and other antecedent psychiatric and socio-environmental risk factors for posttraumatic stress disorder (PTSD) in one aboriginal group (the Bunun) exposed to an earthquake disaster in Taiwan.
Method: Respondents (n = 196) were assessed 5 months after the disaster, using a Chinese version of the Schedules for Clinical Assessment in Neuropsychiatry and the Taiwan Aboriginal Acculturation Scale.
Result: Four risk factors exerted independent effect on the risk of PTSD, including magnitude of the earthquake, subsequent traumas, antecedent major depressive disorder and acculturation status.
Conclusion: Public mental health programs need to consider the liability to PTSD in populations with different ethnicity and socio-cultural environments.