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Relationships among insomnia, executive function, and suicidal ideation in depressed outpatients: A mediation analysis.
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- Author(s): McCall, William V.; Ribbens, Lucas T.; Looney, Stephen W.
- Source:
Scandinavian Journal of Psychology. Apr2023, Vol. 64 Issue 2, p105-112. 8p. 7 Charts. - Source:
- Additional Information
- Subject Terms: SUICIDE risk factors; EXECUTIVE function; RESEARCH; STATISTICS; CROSS-sectional method; COGNITIVE processing speed; MATHEMATICAL models; ONE-way analysis of variance; FISHER exact test; SUICIDAL ideation; PEARSON correlation (Statistics); MENTAL depression; FACTOR analysis; THEORY; INSOMNIA; DATA analysis software; DATA analysis; OUTPATIENT services in hospitals; PSYCHIATRIC treatment
- Subject Terms:
- Abstract: Insomnia is a risk factor for suicide, and both are associated with cognitive problems. However, prior research has not examined insomnia, cognition, and suicidal ideation within one sample. We describe cross‐sectional associations among insomnia, psychomotor speed, set shifting, and suicidal ideation in 85 depressed adults. Greater insomnia was associated with slower psychomotor speed, while slower psychomotor speed was associated with a greater level (i.e., elaboration of suicide planning) and intensity of suicidal ideation in the past week. Slower set shifting was associated with a greater level and intensity of suicidal ideation in the past week. Mediation analysis indicated that psychomotor speed and set shifting both had a significant total effect on the intensity of suicidal ideation in the past week; set shifting also had a significant total effect on the sum of intensity and suicidal ideation level in the past week. The level of insomnia explained only small percentages of the total effect of either psychomotor speed or set shifting on the intensity of suicidal ideation and the sum of intensity and suicidal ideation level. The findings in this sample demonstrate significant associations of slower psychomotor speed and set shifting with suicidal ideation, with negligible contribution from insomnia. [ABSTRACT FROM AUTHOR]
- Abstract: Copyright of Scandinavian Journal of Psychology is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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