The role of peri-traumatic stress and disruption distress in predicting post-traumatic stress disorder symptoms following exposure to a natural disaster

Author:

Boden Joseph M.,Fergusson David M.,Horwood L. John,Mulder Roger T.

Abstract

BackgroundFew studies have examined the contribution of specific disaster-related experiences to post-traumatic stress disorder (PTSD) symptoms.AimsTo examine the roles of peri-traumatic stress and distress due to lingering disaster-related disruption in explaining linkages between disaster exposure and PTSD symptoms among a cohort exposed to the 2010–2011 Canterbury (New Zealand) earthquakes.MethodStructural equation models were fitted to data obtained from the Christchurch Health and Development Study at age 35 (n=495), 20–24 months following the onset of the disaster. Measures included: earthquake exposure, peri-traumatic stress, disruption distress and PTSD symptoms.ResultsThe associations between earthquake exposure and PTSD symptoms were explained largely by the experience of peri-traumatic stress during the earthquakes (β=0.189,P<0.0001) and disruption distress following the earthquakes (β=0.105,P<0.0001).ConclusionsThe results suggest the importance of minimising post-event disruption distress following exposure to a natural disaster.

Publisher

Royal College of Psychiatrists

Subject

Psychiatry and Mental health

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