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World Trade Center disaster and sensitization to subsequent life stress: A longitudinal study of disaster responders

  • Michael J. Zvolensky
  • , Samantha G. Farris
  • , Roman Kotov
  • , Clyde B. Schechter
  • , Evelyn Bromet
  • , Adam Gonzalez
  • , Anka Vujanovic
  • , Robert H. Pietrzak
  • , Michael Crane
  • , Julia Kaplan
  • , Jacqueline Moline
  • , Steven M. Southwick
  • , Adriana Feder
  • , Iris Udasin
  • , Dori B. Reissman
  • , Benjamin J. Luft
  • University of Houston
  • University of Texas MD Anderson Cancer Center
  • Albert Einstein College of Medicine
  • Stony Brook University
  • University of Texas Health Science Center at Houston
  • Department of Veterans Affairs
  • Yale University
  • Icahn School of Medicine at Mount Sinai
  • Northwell Health System
  • Rutgers - The State University of New Jersey, New Brunswick
  • National Institute for Occupational Safety and Health

Research output: Contribution to journalArticlepeer-review

43 Scopus citations

Abstract

Purpose: The current study examined the role of World Trade Center (WTC) disaster exposure (hours spent working on the site, dust cloud exposure, and losing friend/loved one) in exacerbating the effects of post-disaster life stress on posttraumatic stress disorder (PTSD) symptoms and overall functioning among WTC responders. Method: Participants were 18,896 responders (8466 police officers and 10,430 non-traditional responders) participating in the WTC Health Program who completed an initial examination between July, 2002 and April, 2010 and were reassessed an average of two years later. Results:Among police responders, there was a significant interaction, such that the effect of post-disaster life stress on later PTSD symptoms and overall functioning was stronger among police responders who had greater WTC disaster exposure (β'. s= .029 and .054, respectively, for PTSD symptoms and overall functioning). This moderating effect was absent in non-traditional responders. Across both groups, post-disaster life stress also consistently was related to the dependent variables in a more robust manner than WTC exposure. Discussion: The present findings suggest that WTC exposure may compound post-disaster life stress, thereby resulting in a more chronic course of PTSD symptoms and reduced functioning among police responders.

Original languageEnglish
Pages (from-to)70-74
Number of pages5
JournalPreventive Medicine
Volume75
DOIs
StatePublished - Jun 1 2015

Keywords

  • Disaster
  • Functioning
  • Posttraumatic stress
  • Responder
  • Stress exposure
  • Trauma

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