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Citation |
Bishop TM, Crean HF, Hoff RA, Pigeon WR. Psychiatry Res. 2019; 276: 250-261. |
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Affiliation |
VISN 2 Center of Excellence for Suicide Prevention, Canandaigua VA Medical Center, Canandaigua, NY, United States; Department of Psychiatry, University of Rochester Medical Center, Rochester, NY, United States. |
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Copyright |
(Copyright © 2019, Elsevier Publishing) |
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DOI |
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PMID |
31125902 |
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Abstract |
Suicide is a significant public health problem associated with numerous health factors such as insomnia. Suicidal ideation is common among veterans, who often present with multiple comorbidities. The present study examined direct and indirect relationships among suicidal ideation, insomnia, depression, and alcohol use. U.S. veterans (n = 850) recently separated from military service completed phone-based interviews covering multiple domains. Tests of indirect effects and bias-corrected confidence intervals were used to conduct a cross-sectional analysis of baseline data from a larger parent study examining relationships among the latent variables of suicidal ideation, insomnia, alcohol use, and depression. In this analysis insomnia did not have direct associations with suicidal ideation (Β = 0.06, t = 0.29, p = .772) or alcohol use (Β = 0.07, t = 1.73, p = .084). Insomnia severity was, however, significantly and positively related to depression severity (Β = 0.58, t = 21.70, p < .001). Additionally, more severe depression was associated with greater intensity of suicidal ideation (Β = 0.59, t = 3.64, p < .001). Notably, insomnia's indirect effect on suicidal ideation was driven by depression. In this sample of returning veterans, insomnia appears to indirectly impact suicidal ideation through its relationship with depression. This finding suggests the potential utility of addressing insomnia as part of an overall approach to reducing depressive symptomatology and indirectly, suicidal ideation. Language: en |
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Keywords |
Depression; Insomnia; Military; Suicidal ideation; Suicide; Veteran |