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Examining the association between psychiatric illness and suicidal ideation in a sample of treatment-seeking Canadian peacekeeping and combat veterans with posttraumatic stress disorder PTSD.
Can J Psychiatry. 2012 Aug; 57(8):496-504.CJ

Abstract

OBJECTIVE

Our study examines the association between suicidal ideation and and self-reported symptoms of posttraumatic stress disorder (PTSD), major depressive disorder (MDD), generalized anxiety disorder (GAD), and alcohol use disorder (AUD) in a sample of treatment-seeking Canadian combat and peacekeeping veterans; and identifies potential predictors of suicidal ideation.

METHODS

Actively serving Canadian Forces and Royal Canadian Mounted Police members and veterans seeking treatment at the Parkwood Hospital Operational Stress Injury Clinic (n = 250) completed measures including the Primary Care Evaluation of Mental Disorders Patient Health Questionnaire, the Alcohol Use Disorder Identification Test, and the PTSD Checklist-Military Version (PCL-M) between January 2002 and December 2010. Regression analyses were used to determine the respective impact of PTSD, and self-reported symptoms of MDD, GAD, AUD, and anxiety on suicidal ideation.

RESULTS

Most people met PCL-M screening criteria for PTSD (73.6%, n = 184), while 70.8% (n = 177) screened positively for a probable major depressive episode. PTSD symptom was significantly associated with suicidal ideation (β = 0.412, P < 0.001). After controlling for self-reported depressive symptom severity, AUD severity, and generalized anxiety, PTSD severity was no longer significantly associated with suicidal ideation (β = 0.043, P = 0.58).

CONCLUSIONS

Although PTSD alone is associated with suicidal ideation, after controlling for common comorbid psychiatric illnesses, self-reported depressive symptom severity emerged as the most significant predictor of suicidal ideation. These findings support the importance of screening for comorbidities, particularly an MDD, as potentially modifiable conditions that are strongly related to suicidal ideation in military personnel's endorsing criteria for PTSD.

Authors+Show Affiliations

Operational Stress Injury Clinic, Parkwood Hospital, St Joseph's Health Care London, London, Ontario. Don.Richardson@sjhc.london.on.caNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

22854032

Citation

Richardson, J Don, et al. "Examining the Association Between Psychiatric Illness and Suicidal Ideation in a Sample of Treatment-seeking Canadian Peacekeeping and Combat Veterans With Posttraumatic Stress Disorder PTSD." Canadian Journal of Psychiatry. Revue Canadienne De Psychiatrie, vol. 57, no. 8, 2012, pp. 496-504.
Richardson JD, St Cyr KC, McIntyre-Smith AM, et al. Examining the association between psychiatric illness and suicidal ideation in a sample of treatment-seeking Canadian peacekeeping and combat veterans with posttraumatic stress disorder PTSD. Can J Psychiatry. 2012;57(8):496-504.
Richardson, J. D., St Cyr, K. C., McIntyre-Smith, A. M., Haslam, D., Elhai, J. D., & Sareen, J. (2012). Examining the association between psychiatric illness and suicidal ideation in a sample of treatment-seeking Canadian peacekeeping and combat veterans with posttraumatic stress disorder PTSD. Canadian Journal of Psychiatry. Revue Canadienne De Psychiatrie, 57(8), 496-504.
Richardson JD, et al. Examining the Association Between Psychiatric Illness and Suicidal Ideation in a Sample of Treatment-seeking Canadian Peacekeeping and Combat Veterans With Posttraumatic Stress Disorder PTSD. Can J Psychiatry. 2012;57(8):496-504. PubMed PMID: 22854032.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Examining the association between psychiatric illness and suicidal ideation in a sample of treatment-seeking Canadian peacekeeping and combat veterans with posttraumatic stress disorder PTSD. AU - Richardson,J Don, AU - St Cyr,Kate C M, AU - McIntyre-Smith,Alexandra M, AU - Haslam,David, AU - Elhai,Jon D, AU - Sareen,Jitender, PY - 2012/8/3/entrez PY - 2012/8/3/pubmed PY - 2013/2/27/medline SP - 496 EP - 504 JF - Canadian journal of psychiatry. Revue canadienne de psychiatrie JO - Can J Psychiatry VL - 57 IS - 8 N2 - OBJECTIVE: Our study examines the association between suicidal ideation and and self-reported symptoms of posttraumatic stress disorder (PTSD), major depressive disorder (MDD), generalized anxiety disorder (GAD), and alcohol use disorder (AUD) in a sample of treatment-seeking Canadian combat and peacekeeping veterans; and identifies potential predictors of suicidal ideation. METHODS: Actively serving Canadian Forces and Royal Canadian Mounted Police members and veterans seeking treatment at the Parkwood Hospital Operational Stress Injury Clinic (n = 250) completed measures including the Primary Care Evaluation of Mental Disorders Patient Health Questionnaire, the Alcohol Use Disorder Identification Test, and the PTSD Checklist-Military Version (PCL-M) between January 2002 and December 2010. Regression analyses were used to determine the respective impact of PTSD, and self-reported symptoms of MDD, GAD, AUD, and anxiety on suicidal ideation. RESULTS: Most people met PCL-M screening criteria for PTSD (73.6%, n = 184), while 70.8% (n = 177) screened positively for a probable major depressive episode. PTSD symptom was significantly associated with suicidal ideation (β = 0.412, P < 0.001). After controlling for self-reported depressive symptom severity, AUD severity, and generalized anxiety, PTSD severity was no longer significantly associated with suicidal ideation (β = 0.043, P = 0.58). CONCLUSIONS: Although PTSD alone is associated with suicidal ideation, after controlling for common comorbid psychiatric illnesses, self-reported depressive symptom severity emerged as the most significant predictor of suicidal ideation. These findings support the importance of screening for comorbidities, particularly an MDD, as potentially modifiable conditions that are strongly related to suicidal ideation in military personnel's endorsing criteria for PTSD. SN - 0706-7437 UR - https://www.unboundmedicine.com/medline/citation/22854032/Examining_the_association_between_psychiatric_illness_and_suicidal_ideation_in_a_sample_of_treatment_seeking_Canadian_peacekeeping_and_combat_veterans_with_posttraumatic_stress_disorder_PTSD_ L2 - http://journals.sagepub.com/doi/full/10.1177/070674371205700808?url_ver=Z39.88-2003&amp;rfr_id=ori:rid:crossref.org&amp;rfr_dat=cr_pub=pubmed DB - PRIME DP - Unbound Medicine ER -