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 Salivary cortisol and post traumatic stress symptoms  : -a ten year follow-up of Swedish UN soldiers after a 6 months mission in Bosnia
Linköping University, Department of Biomedicine and Surgery.
2009 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

This is to my knowledge the first time a ten-year follow-up study of salivary cortisol concentrations measured by immunoassays in relation to posttraumatic symptoms according to the Impact of Event Scale (IES) is made. The study was performed on 78 Swedish UN soldiers after a 6-months mission in the former republic of Yugoslavia. Follow-up investigations were performed six months, twelve months and ten years after their return to Sweden. Morning and evening salivary cortisol concentrations were determined by radioimmunoassay (RIA) and enzyme-linked immunoassay (EIA) and subjective posttraumatic avoidance and intrusion symptoms were measured with the IES (see Appendix I).


This study concerns the methodological description of the EIA for determination of salivary cortisol and the comparison of the results from all three follow-up investigations. Post-traumatic stress symptoms according to IES (intrusion subscale and total score) increased significantly over ten years of time. There was an significant interrelationship between the change in both morning and evening salivary cortisol concentrations, measured with immunoassays, and changes in self-rated posttraumatic intrusive symptoms, according to IES, during ten years follow-up, after a six months mission in Bosnia in the way that salivary cortisol concentrations showed a tendency to decrease over ten years of time in subjects with a higher IES score. The rise in morning salivary cortisol, from awakening until 30 minutes later, was significantly correlated with the ratings of posttraumatic stress symptoms according to the IES ten years after the mission.   

Place, publisher, year, edition, pages
2009. , 34 p.
Salivary cortisol concentration, post traumatic stress symptoms, ten year follow-up study, UN soldiers
National Category
Analytical Chemistry
URN: urn:nbn:se:liu:diva-16427ISRN: LITH-IFM-G-EX--08/2029—SEOAI: diva2:139566
2009-01-08, Bikupan, Linköpings universitet, Linköping, 13:00 (English)
Available from: 2009-01-26 Created: 2009-01-23 Last updated: 2009-01-28Bibliographically approved

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Colnerud Nilsson, Emma
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