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Insomnia as predictor versus outcome of PTSD and depression among Iraq combat veterans.
J Clin Psychol. 2011 Dec; 67(12):1240-58.JC

Abstract

OBJECTIVES

The study conducted a longitudinal assessment of insomnia as an antecedent versus consequence of posttraumatic stress disorder (PTSD) and depression symptoms among combat veterans.

DESIGN

Two postdeployment time points were used in combination with structural equation modeling to examine the relative strength of two possible directions of prediction: insomnia as a predictor of psychological symptoms, and psychological symptoms as a predictor of insomnia. Participants were active duty soldiers (N = 659) in a brigade combat team who were assessed 4 months after their return from a 12-month deployment to Iraq, and then again eight months later.

RESULTS

Although both insomnia and psychological symptoms were associated at both time periods and across time periods, insomnia at 4 months postdeployment was a significant predictor of change in depression and PTSD symptoms at 12 months postdeployment, whereas depression and PTSD symptoms at 4 months postdeployment were not significant predictors of change in insomnia at 12 months postdeployment.

CONCLUSIONS

Results support the role of insomnia in the development of additional psychological problems and highlight the clinical implications for combat veterans, to include the importance of longitudinal assessment and monitoring of sleep disturbances, and the need for early intervention.

Authors+Show Affiliations

U.S. Army Medical Research Unit-Europe, Walter Reed Army Institute of Research, Heidelberg, Germany. kathleen.wright@us.army.milNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, U.S. Gov't, Non-P.H.S.

Language

eng

PubMed ID

22065464

Citation

Wright, Kathleen M., et al. "Insomnia as Predictor Versus Outcome of PTSD and Depression Among Iraq Combat Veterans." Journal of Clinical Psychology, vol. 67, no. 12, 2011, pp. 1240-58.
Wright KM, Britt TW, Bliese PD, et al. Insomnia as predictor versus outcome of PTSD and depression among Iraq combat veterans. J Clin Psychol. 2011;67(12):1240-58.
Wright, K. M., Britt, T. W., Bliese, P. D., Adler, A. B., Picchioni, D., & Moore, D. (2011). Insomnia as predictor versus outcome of PTSD and depression among Iraq combat veterans. Journal of Clinical Psychology, 67(12), 1240-58. https://doi.org/10.1002/jclp.20845
Wright KM, et al. Insomnia as Predictor Versus Outcome of PTSD and Depression Among Iraq Combat Veterans. J Clin Psychol. 2011;67(12):1240-58. PubMed PMID: 22065464.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Insomnia as predictor versus outcome of PTSD and depression among Iraq combat veterans. AU - Wright,Kathleen M, AU - Britt,Thomas W, AU - Bliese,Paul D, AU - Adler,Amy B, AU - Picchioni,Dante, AU - Moore,Dewayne, Y1 - 2011/11/07/ PY - 2011/11/9/entrez PY - 2011/11/9/pubmed PY - 2012/4/7/medline SP - 1240 EP - 58 JF - Journal of clinical psychology JO - J Clin Psychol VL - 67 IS - 12 N2 - OBJECTIVES: The study conducted a longitudinal assessment of insomnia as an antecedent versus consequence of posttraumatic stress disorder (PTSD) and depression symptoms among combat veterans. DESIGN: Two postdeployment time points were used in combination with structural equation modeling to examine the relative strength of two possible directions of prediction: insomnia as a predictor of psychological symptoms, and psychological symptoms as a predictor of insomnia. Participants were active duty soldiers (N = 659) in a brigade combat team who were assessed 4 months after their return from a 12-month deployment to Iraq, and then again eight months later. RESULTS: Although both insomnia and psychological symptoms were associated at both time periods and across time periods, insomnia at 4 months postdeployment was a significant predictor of change in depression and PTSD symptoms at 12 months postdeployment, whereas depression and PTSD symptoms at 4 months postdeployment were not significant predictors of change in insomnia at 12 months postdeployment. CONCLUSIONS: Results support the role of insomnia in the development of additional psychological problems and highlight the clinical implications for combat veterans, to include the importance of longitudinal assessment and monitoring of sleep disturbances, and the need for early intervention. SN - 1097-4679 UR - https://www.unboundmedicine.com/medline/citation/22065464/Insomnia_as_predictor_versus_outcome_of_PTSD_and_depression_among_Iraq_combat_veterans_ L2 - https://doi.org/10.1002/jclp.20845 DB - PRIME DP - Unbound Medicine ER -