ArticleBMC psychology2025
Associations between obsessive-compulsive symptoms, impulsivity, and suicidality among Chinese college students: a latent profile analysis and mediation analysis.
Article in BMC psychology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
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10 authors.
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Abstract
objectivePrevious research has established a strong association between obsessive-compulsive disorder (OCD) and elevated suicidality; however, the impact of the severity of obsessive-compulsive symptoms (OCSs) on suicidality and the mechanisms underlying this influence remain insufficiently understood. Impulsivity is a strongly predictive factor for suicidality and positively correlated with OCD. Based on self-control depletion theory and dual-regulation models, OCSs might increase suicidality via impulsivity. Therefore, the present study aims to explore their relationship and the potential mediating role of impulsivity.
methodsA total of 10,754 college students were assessed through questionnaires, including the Symptom Checklist-90 (SCL-90) Obsessive-Compulsive Subscale, the Brief Barratt Impulsiveness Scale (BBIS), and the Suicide Behavioral Questionnaire-Revised (SBQ-R). Latent profile analysis was employed to classify participants into distinct groups, followed by a person-centered relative mediation analysis to validate the proposed model.
resultsStudents were grouped into low OCSs, middle OCSs, and high OCSs. Using low OCSs as a reference, middle and high OCSs positively predicted impulsivity and suicidality, and the latter had a higher effect size. Impulsivity was a mediator as hypothesized.
conclusionsImpulsivity is one of the reasons why OCSs enhance suicidality, and their relationship is increasingly strong when OCSs become severe.
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