Document Detail

Negative affect predicts posttraumatic stress symptoms in Brazilian volunteer United Nations peacekeepers in Haiti.
MedLine Citation:
PMID:  19008738     Owner:  NLM     Status:  MEDLINE    
Our study evaluated the relationship between positive affect (PA) and negative affect (NA) traits on the development of posttraumatic stress symptoms (PTSS) among peacekeepers. A longitudinal study with 138 army personnel deployed to a peacekeeping mission in Haiti was conducted. An instrument for measuring PA and NA traits was used before deployment. PTSS, indexed by posttraumatic stress disorder Checklist--Military Version (PCL-M) and frequency of stressful situations were measured after return. Regression analysis showed that both NA and number of stressful situations contributed toward increasing PCL-M scores (Adjusted R = 0.25; p < 0.001). We also found that NA traits interact with intensively stressful situations enhancing the occurrence of PTSS (Adjusted R = 0.32; p < 0.001). These findings suggest that NA traits are an important predictor for PTSS among peacekeepers and also worsen the consequences of being exposed to stressful situations.
Wanderson F Souza; Ivan Figueira; Mauro V Mendlowicz; Eliane Volchan; Ana C Mendonça-de-Souza; Antônio F A Duarte; Angela M Monteiro da Silva; Carla Marques-Portella; Jair J Mari; Evandro Silva Freire Coutinho
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  The Journal of nervous and mental disease     Volume:  196     ISSN:  1539-736X     ISO Abbreviation:  J. Nerv. Ment. Dis.     Publication Date:  2008 Nov 
Date Detail:
Created Date:  2008-11-14     Completed Date:  2008-12-02     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0375402     Medline TA:  J Nerv Ment Dis     Country:  United States    
Other Details:
Languages:  eng     Pagination:  852-5     Citation Subset:  AIM; IM    
Department of Epidemiology, National School of Public Health (ENSP-FIOCRUZ), Federal University of Rio de Janeiro, Brazil.
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MeSH Terms
Affective Symptoms / diagnosis*,  epidemiology,  psychology
Combat Disorders / diagnosis*,  epidemiology,  psychology
Cross-Sectional Studies
Longitudinal Studies
Military Personnel / psychology*
Personality Inventory / statistics & numerical data
Prospective Studies
Risk Factors
Stress Disorders, Post-Traumatic / diagnosis*,  epidemiology,  psychology
United Nations*
Voluntary Workers / psychology*,  statistics & numerical data
Young Adult

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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