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Journal Article

Citation

Nadorff MR, Salem T, Winer ES, Lamis DA, Nazem S, Berman ME. J. Clin. Sleep Med. 2014; 10(12): 1317-1323.

Affiliation

Mississippi State University, Mississippi State, MS and Baylor College of Medicine, Houston, TX.

Copyright

(Copyright © 2014, American Academy of Sleep Medicine)

DOI

unavailable

PMID

25325605

Abstract

STUDY OBJECTIVES: The purpose of the study was to examine whether insomnia symptoms and nightmares mediated the relation between alcohol use and suicide risk. Further, we examined whether this mediation was moderated by gender.

DESIGN: The study consisted of questionnaires administered online examining insomnia symptoms, nightmares, alcohol use, and suicide risk. SETTING: University. PATIENTS OR PARTICIPANTS: 375 undergraduate students at a large, public university in the southeastern United States. INTERVENTIONS: N/A. MEASUREMENTS AND RESULTS: Results indicated that insomnia symptoms significantly mediated the relation between alcohol use and suicide risk; however, this mediation was moderated by gender. For women, there was both a direct effect of alcohol use on suicide risk as well as an indirect effect of alcohol use through insomnia symptoms increasing suicide risk. For men, there was no direct effect of alcohol use on suicide risk, but there was a significant indirect effect of alcohol use increasing suicide risk through insomnia symptoms. Nightmares were not related to alcohol use, and the association between nightmares and suicide risk was found to be independent of alcohol use.

CONCLUSIONS: Insomnia symptoms are an important factor in explaining the mechanism by which alcohol use increases suicide risk.


Language: en

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