Association Between Childhood Maltreatment and Suicidal Ideation Among Chinese Patients with Chronic Schizophrenia: the Mediating Role of Insomnia

Overview

Journal BJPsych Open

Publisher Cambridge University Press

Specialty Psychiatry

Date 2024 May 3

PMID 38699889

Authors

Yuzhu Hao

Pu Peng

Qianjin Wang

Yanan Zhou

Shubao Chen

Qiuxia Wu

Tieqiao Liu

Xiangyang Zhang

Affiliations

Soon will be listed here.

Abstract

Background: Childhood maltreatment is a well-established transdiagnostic risk factor for suicidal ideation; however, previous studies on their association in schizophrenia have produced highly varied results. Moreover, the mechanism linking childhood maltreatment and suicide ideation remains unclear in schizophrenia.

Aims: This cross-sectional study aimed to investigate the association between childhood maltreatment and suicide ideation in people with schizophrenia and tested whether insomnia mediated this relationship.

Method: Positive and Negative Syndrome Scale (PANSS), Insomnia Severity Index (ISI), Childhood Trauma Questionnaire - Short Form and Beck Suicidal Ideation Inventory were employed. Logistic regression and mediation analysis were performed.

Results: (a) The prevalence of suicide ideation, insomnia, sexual abuse, emotional neglect, emotional abuse, physical abuse and physical neglect was 10% ( = 61), 18% ( = 111), 11% ( = 68), 25% ( = 153), 6.3% ( = 39), 17% ( = 106) and 39% ( = 239), respectively. In all, 52% ( = 320) reported childhood maltreatment; (b) patients with suicide ideation demonstrated higher insomnia and childhood maltreatment. PANSS depression factor, ISI, lifetime suicidal attempts and emotional abuse were independently associated with suicide ideation; (c) insomnia partially mediated the effects of emotional abuse and emotional neglect on suicide ideation, and insomnia completely mediated the effects of physical neglect and physical abuse on suicide ideation.

Conclusion: Our study calls for formal assessments for childhood maltreatment and insomnia in schizophrenia, which might help identify suicide ideation early. In addition, interventions targeting insomnia might help reduce suicide ideation among people with schizophrenia who experience childhood maltreatment.

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