Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/61671
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Type: Journal article
Title: Sleep disturbance immediately prior to trauma predicts subsequent psychiatric disorder
Author: Bryant, R.
Creamer, M.
O'Donnell, M.
Silove, D.
McFarlane, A.
Citation: Sleep, 2010; 33(1):69-74
Publisher: Amer Academy Sleep Medicine
Issue Date: 2010
ISSN: 0161-8105
1550-9109
Statement of
Responsibility: 
Richard A. Bryant, Mark Creamer, Meaghan O’Donnell, Derrick Silove, Alexander C. McFarlane
Abstract: Study Objectives: This study investigated the extent to which sleep disturbance in the period immediately prior to a traumatic event predicted development of subsequent psychiatric disorder. Design: Prospective design cohort study Setting: Four major trauma hospitals across Australia Patients: A total of 1033 traumatically injured patients were initially assessed during hospital admission and followed up at 3 months (898) after injury Measures: Lifetime psychiatric disorder was assessed in hospital with the Mini-International Neuropsychiatric Interview. Sleep disturbance in the 2 weeks prior to injury was also assessed using the Sleep Impairment Index. The prevalence of psychiatric disorder was assessed 3 months after traumatic injury. Results: There were 255 (28%) patients with a psychiatric disorder at 3 months. Patients who displayed sleep disturbance prior to the injury were more likely to develop a psychiatric disorder at 3 months (odds ratio: 2.44, 95% CI: 1.62–3.69). In terms of patients who had never experienced a prior disorder (n = 324), 96 patients (30%) had a psychiatric disorder at 3 months, and these patients were more likely to develop disorder if they displayed prior sleep disturbance (odds ratio: 3.16, 95% CI: 1.59–4.75). Conclusions: These findings provide evidence that sleep disturbance prior to a traumatic event is a risk factor for development of posttraumatic psychiatric disorder.
Keywords: Sleep disturbance
insomnia
psychiatric disorder
trauma
Rights: Copyright © 2010 Associated Professional Sleep Societies, LLC.
DOI: 10.1093/sleep/33.1.69
Grant ID: http://purl.org/au-research/grants/nhmrc/300403
http://purl.org/au-research/grants/nhmrc/359284
Published version: http://dx.doi.org/10.1093/sleep/33.1.69
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