4.7 Article

Objective predictors of delayed-onset post-traumatic stress disorder occurring after military discharge

Journal

PSYCHOLOGICAL MEDICINE
Volume 42, Issue 10, Pages 2119-2126

Publisher

CAMBRIDGE UNIV PRESS
DOI: 10.1017/S0033291712000189

Keywords

Delayed onset; military; post-traumatic stress disorder; predictors; trauma

Funding

  1. UK Ministry of Defence [CBC/MED/0981, CTLBC/954]

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Background. Post-traumatic stress disorder (PTSD) that develops after military personnel have been discharged may lead to severe impairment. We investigated whether personnel who develop PTSD after discharge can be identified by independent evidence of internalizing signs such as depression or of externalizing signs such as disciplinary offences while still serving. Method. Veterans in receipt of a war pension who only developed PTSD post-discharge were compared with matched veterans who developed PTSD in service or never suffered from PTSD. Contemporaneous medical and personnel records were searched for objective evidence of internalizing and externalizing disorder. Results. Service personnel who developed PTSD post-discharge were indistinguishable from controls with no PTSD on their psychiatric presentation in service. Those with post-discharge PTSD had significantly more disciplinary offences, specifically absence without leave, disobedience, and dishonesty, than the no-PTSD group, and this excess of offences was present before any exposure to trauma. Conclusions. This is the first study to find objective evidence independent of self-report for the claimed link between externalizing disorder and vulnerability to PTSD. Early signs of externalizing disorders may play an important role in helping to identify service personnel at risk of PTSD after military discharge.

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