期刊
PSYCHIATRY RESEARCH
卷 252, 期 -, 页码 296-302出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.psychres.2017.03.009
关键词
Insomnia; Suicidal Ideation; Suicidal Behavior; Cognitive symptoms of depression; Affective/somatic symptoms of depression
类别
资金
- Department of Defense Grant [W81XWH-13-2-0032]
- Department of Veteran Affairs Clinical Sciences Research and Development Career Development Award [CX000845]
Insomnia is a risk factor for Suicidal Ideation (SI) and Behavior (SB), yet the nature of the relations is unclear, including the potential mediating role of cognitive and affective/somatic symptoms of depression. It was hypothesized that the impact of insomnia on SI would be mediated through depressive symptoms and that insomnia would directly impact SB. Current and former military service members (N =405; M age =31.6 years, SD =7.3; 90.4% male, 76.5% White) who endorsed recent suicidal ideation and/or a history of suicide attempt completed measures of insomnia, depression, SI, and SB at baseline and at month 12 follow-up. Mediation models were conducted using structural equation modeling. Significant mediation from insomnia to baseline SI and month 12 SI was found through cognitive/affective depression. Insomnia was directly related to SB occurring between baseline and month 12 follow-up. These findings suggest that cognitive/affective depression mediates the association with SI but not SB. Results build on research showing the importance of depressive symptoms in SI in particular. The direct and indirect pathways from insomnia to SI/SB suggest that clinicians should be aware of these relations when treating patients reporting insomnia.
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