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Objective : Research indicates that people who experience more intense peritraumatic reactions are at higher risk of subsequently developing PTSD. The study used network analysis to: 1) explore the network structure of peritraumatic distress reactions; 2) identify clusters of peritraumatic distress reactions; and 3) assess whether central items in the peritraumatic network have stronger network associations with subsequent posttraumatic stress symptoms (PTS). Method : A convenience sample of adults living in communities affected by large-scale community fires in Israel (November 2016) were recruited. Participants completed the 13-item peritraumatic distress inventory (PDI) within one month of the fires (n = 372), and the PTSD checklist for DSM-5 (PCL-5) four months after the fires (n = 199). Network analyses and exploratory graph analysis were conducted. Results : The PDI items were positively connected to each other in a network structure, which divided into two clusters: emotional reactions; and physical/somatic reactions along with guilt and shame. Loss of emotional control was the most central peritraumatic distress symptom. Highly central peritraumatic distress symptoms were not strongly associated with subsequent PTS; rather, physical reactions were most associated with PTS levels four months after the fires. Conclusions : Future studies should investigate targeting peritraumatic physical reactions as an early secondary prevention strategy for PTSD.

Objective: This study examined whether attributing a cause of a community fire to a human-made vs. natural disaster moderated the association between peritraumatic distress (PD) and posttraumatic stress (PTSD) symptoms, as well as between PD and posttraumatic growth (PTG). Method: Participants lived in Israeli communities affected by wide-scale fires in November 2016. At Time 1 (within one month of the fires), 390 participants completed measures. At Time 2 (four months after the fires), 223 of the original participants completed follow-up-questionnaires. Participants reported their PD symptoms at Time 1, and their beliefs regarding the cause of the fire, PTSD symptoms, and PTG at Time 2. Results: Higher levels of PD at Time 1 were associated with higher levels of both PTSD symptoms and PTG at Time 2. Participants who believed that the fires were more of a human-made than natural disaster had stronger associations between PD and PTSD symptoms, and stronger associations between PD and PTG. Conclusions: Attributions regarding the cause of a disaster may be related to both PTSD symptoms as well as PTG. Balanced and responsible public announcements regarding the causes of traumatic events may reduce the deleterious effects in the aftermath of a traumatic event.