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Posttraumatic Stress Disorder and Death From Suicide
1Department of Epidemiology, Boston University School of Public Health, 715 Albany St., T318E, Boston, MA, 02118, USA. jgradus@bu.edu.
Current Psychiatry Reports
|September 18, 2018
Summary
Post-traumatic stress disorder (PTSD) is linked to increased suicide risk in most studies, though some show a decreased risk. Further research using advanced methods is needed to clarify this complex public health issue.
Area of Science:
- Public Health
- Epidemiology
- Psychiatry
Background:
- Post-traumatic stress disorder (PTSD) is a significant public health concern.
- The association between PTSD and suicide risk is a critical area of research.
Purpose of the Study:
- To review population-based studies examining the link between PTSD and suicide.
- To discuss methodological challenges in understanding this association.
Main Methods:
- Review of existing epidemiologic and population-based studies.
- Analysis of methodological and etiological factors influencing study outcomes.
Main Results:
- Most studies indicate PTSD is associated with increased suicide risk.
- A minority of studies report a decreased suicide risk in individuals with PTSD.
- Conflicting findings may stem from methodological issues (e.g., sample size, misclassification) and comorbidity.
Conclusions:
- PTSD may be associated with an elevated suicide risk, but evidence is not definitive.
- Further research employing advanced methodologies is necessary.
- Improved methods like marginal structural models and machine learning can strengthen the evidence base.
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