Cognitive ability and risk of post-traumatic stress disorder after military deployment: an observational cohort study

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Cognitive ability and risk of post-traumatic stress disorder after military deployment : an observational cohort study. / Nissen, Lars R.; Karstoft, Karen-Inge; Vedtofte, Mia S.; Nielsen, Anni B. S.; Osler, Merete; Mortensen, Erik L.; Christensen, Gunhild T.; Andersen, Søren B.

In: British Journal of Psychiatry Open, Vol. 3, No. 6, 11.2017, p. 274-280.

Research output: Contribution to journalJournal articleResearchpeer-review

Harvard

Nissen, LR, Karstoft, K-I, Vedtofte, MS, Nielsen, ABS, Osler, M, Mortensen, EL, Christensen, GT & Andersen, SB 2017, 'Cognitive ability and risk of post-traumatic stress disorder after military deployment: an observational cohort study', British Journal of Psychiatry Open, vol. 3, no. 6, pp. 274-280. https://doi.org/10.1192/bjpo.bp.117.005736

APA

Nissen, L. R., Karstoft, K-I., Vedtofte, M. S., Nielsen, A. B. S., Osler, M., Mortensen, E. L., ... Andersen, S. B. (2017). Cognitive ability and risk of post-traumatic stress disorder after military deployment: an observational cohort study. British Journal of Psychiatry Open, 3(6), 274-280. https://doi.org/10.1192/bjpo.bp.117.005736

Vancouver

Nissen LR, Karstoft K-I, Vedtofte MS, Nielsen ABS, Osler M, Mortensen EL et al. Cognitive ability and risk of post-traumatic stress disorder after military deployment: an observational cohort study. British Journal of Psychiatry Open. 2017 Nov;3(6):274-280. https://doi.org/10.1192/bjpo.bp.117.005736

Author

Nissen, Lars R. ; Karstoft, Karen-Inge ; Vedtofte, Mia S. ; Nielsen, Anni B. S. ; Osler, Merete ; Mortensen, Erik L. ; Christensen, Gunhild T. ; Andersen, Søren B. / Cognitive ability and risk of post-traumatic stress disorder after military deployment : an observational cohort study. In: British Journal of Psychiatry Open. 2017 ; Vol. 3, No. 6. pp. 274-280.

Bibtex

@article{b9a0b9dba3534182b336ff7570980b58,
title = "Cognitive ability and risk of post-traumatic stress disorder after military deployment: an observational cohort study",
abstract = "Background: Studies of the association between pre-deployment cognitive ability and post-deployment post-traumatic stress disorder (PTSD) have shown mixed results.Aims: To study the influence of pre-deployment cognitive ability on PTSD symptoms 6-8 months post-deployment in a large population while controlling for pre-deployment education and deployment-related variables.Method: Study linking prospective pre-deployment conscription board data with post-deployment self-reported data in 9695 Danish Army personnel deployed to different war zones in 1997-2013. The association between pre-deployment cognitive ability and post-deployment PTSD was investigated using repeated-measure logistic regression models. Two models with cognitive ability score as the main exposure variable were created (model 1 and model 2). Model 1 was only adjusted for pre-deployment variables, while model 2 was adjusted for both pre-deployment and deployment-related variables.Results: When including only variables recorded pre-deployment (cognitive ability score and educational level) and gender (model 1), all variables predicted post-deployment PTSD. When deployment-related variables were added (model 2), this was no longer the case for cognitive ability score. However, when educational level was removed from the model adjusted for deployment-related variables, the association between cognitive ability and post-deployment PTSD became significant.Conclusions: Pre-deployment lower cognitive ability did not predict post-deployment PTSD independently of educational level after adjustment for deployment-related variables.",
keywords = "Journal Article",
author = "Nissen, {Lars R.} and Karen-Inge Karstoft and Vedtofte, {Mia S.} and Nielsen, {Anni B. S.} and Merete Osler and Mortensen, {Erik L.} and Christensen, {Gunhild T.} and Andersen, {S{\o}ren B.}",
year = "2017",
month = "11",
doi = "10.1192/bjpo.bp.117.005736",
language = "English",
volume = "3",
pages = "274--280",
journal = "BJPsych Open",
issn = "2056-4724",
publisher = "Royal College of Psychiatrists",
number = "6",

}

RIS

TY - JOUR

T1 - Cognitive ability and risk of post-traumatic stress disorder after military deployment

T2 - an observational cohort study

AU - Nissen, Lars R.

AU - Karstoft, Karen-Inge

AU - Vedtofte, Mia S.

AU - Nielsen, Anni B. S.

AU - Osler, Merete

AU - Mortensen, Erik L.

AU - Christensen, Gunhild T.

AU - Andersen, Søren B.

PY - 2017/11

Y1 - 2017/11

N2 - Background: Studies of the association between pre-deployment cognitive ability and post-deployment post-traumatic stress disorder (PTSD) have shown mixed results.Aims: To study the influence of pre-deployment cognitive ability on PTSD symptoms 6-8 months post-deployment in a large population while controlling for pre-deployment education and deployment-related variables.Method: Study linking prospective pre-deployment conscription board data with post-deployment self-reported data in 9695 Danish Army personnel deployed to different war zones in 1997-2013. The association between pre-deployment cognitive ability and post-deployment PTSD was investigated using repeated-measure logistic regression models. Two models with cognitive ability score as the main exposure variable were created (model 1 and model 2). Model 1 was only adjusted for pre-deployment variables, while model 2 was adjusted for both pre-deployment and deployment-related variables.Results: When including only variables recorded pre-deployment (cognitive ability score and educational level) and gender (model 1), all variables predicted post-deployment PTSD. When deployment-related variables were added (model 2), this was no longer the case for cognitive ability score. However, when educational level was removed from the model adjusted for deployment-related variables, the association between cognitive ability and post-deployment PTSD became significant.Conclusions: Pre-deployment lower cognitive ability did not predict post-deployment PTSD independently of educational level after adjustment for deployment-related variables.

AB - Background: Studies of the association between pre-deployment cognitive ability and post-deployment post-traumatic stress disorder (PTSD) have shown mixed results.Aims: To study the influence of pre-deployment cognitive ability on PTSD symptoms 6-8 months post-deployment in a large population while controlling for pre-deployment education and deployment-related variables.Method: Study linking prospective pre-deployment conscription board data with post-deployment self-reported data in 9695 Danish Army personnel deployed to different war zones in 1997-2013. The association between pre-deployment cognitive ability and post-deployment PTSD was investigated using repeated-measure logistic regression models. Two models with cognitive ability score as the main exposure variable were created (model 1 and model 2). Model 1 was only adjusted for pre-deployment variables, while model 2 was adjusted for both pre-deployment and deployment-related variables.Results: When including only variables recorded pre-deployment (cognitive ability score and educational level) and gender (model 1), all variables predicted post-deployment PTSD. When deployment-related variables were added (model 2), this was no longer the case for cognitive ability score. However, when educational level was removed from the model adjusted for deployment-related variables, the association between cognitive ability and post-deployment PTSD became significant.Conclusions: Pre-deployment lower cognitive ability did not predict post-deployment PTSD independently of educational level after adjustment for deployment-related variables.

KW - Journal Article

U2 - 10.1192/bjpo.bp.117.005736

DO - 10.1192/bjpo.bp.117.005736

M3 - Journal article

C2 - 29163983

VL - 3

SP - 274

EP - 280

JO - BJPsych Open

JF - BJPsych Open

SN - 2056-4724

IS - 6

ER -

ID: 189097750