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. 2023 Apr 20;23(1):272.
doi: 10.1186/s12888-023-04778-w.

Mediation effect of insomnia symptoms between positive psychotic like experiences and suicidal ideation among Lebanese young adults

Nour Farah  1 , Sahar Obeid  2 , Diana Malaeb  3 , Chadia Haddad  4   5   6 , Feten Fekih-Romdhane #  7   8 , Souheil Hallit #  9   10   11
Affiliations

Mediation effect of insomnia symptoms between positive psychotic like experiences and suicidal ideation among Lebanese young adults

Nour Farah et al. BMC Psychiatry. .

Abstract

Background: Psychotic symptoms reported by healthy individuals in the general population are referred to as psychotic-like experiences (PLEs) and have been proven to increase the risk of suicidal ideation (SI) in these individuals. As it is well established that PLEs and insomnia share a bidirectional association and also that insomnia is linked to SI, we hypothesized that insomnia may represent a mediator underlying the relationship between PLEs and SI. Our aim was to validate this hypothesis among Lebanese young adults.

Methods: A total of 3103 young adults (mean age 21.73 ± 3.80 years; 63.6% females) recruited from all Lebanese governorates completed a self-administered online questionnaire. PLEs were assessed using the CAPE-42 scale, SI using the Columbia Suicide Rating Scale, and insomnia using the Insomnia Severity Index). We conducted a mediation analysis using SPSS PROCESS v3.4 model 4 with three pathways. Variables that showed a p < 0.25 in the bivariate analysis were entered in the path analysis.

Results: A total of 1378 participants (44.4%) had insomnia; 18.8% had SI; 42.5% reported at least one positive PE 'nearly always', and 30.5% reported at least one negative PE with this frequency. The results of the mediation analysis showed that insomnia severity partially mediated the association between positive dimension and SI; higher positive dimension was significantly associated with more insomnia severity, which was, in turn, significantly associated with more SI. Finally, more positive dimension was significantly and directly associated with more SI.

Conclusion: These preliminary findings might encourage the implementation of new preventive measures to reduce SI among PLEs patients. Treating symptoms of insomnia might help reduce the risk of suicide.

Keywords: Insomnia; Lebanon; Psychotic-like experiences; Suicide.

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Conflict of interest statement

The authors declare no competing interests.

Figures

Fig. 1
Fig. 1
a Relation between positive dimension and insomnia severity (R2 = .361%); (b) Relation between insomnia severity and suicidal ideation (R2 = .084%); (c) Total effect of positive dimension on suicidal ideation (R2 = .075%); (c’) Direct effect of positive dimension on suicidal ideation. Numbers are displayed as regression coefficients (standard error). ***p < 0.001
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