Substance use disorders and suicidality in youth: A systematic review and meta-analysis with a focus on the direction of the association

dc.creatorRioux, Charlie (TTU)
dc.creatorHuet, Anne-Sophie
dc.creatorCastellanos-Ryan, Natalie
dc.creatorFortier, Laurianne
dc.creatorLe Blanc, Myriam
dc.creatorHamaoui, Stéphanie
dc.creatorGeoffrey, Marie-Claude
dc.creatorRenaud, Johanne
dc.creatorSéguin, Jean R.
dc.date.accessioned2022-11-30T21:01:23Z
dc.date.available2022-11-30T21:01:23Z
dc.date.issued2021
dc.description© 2021 Rioux et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.en_US
dc.description.abstractBackground: Reviews and meta-analyses suggest that substance use and suicidality (i.e., suicidal ideations and attempts) are associated in youth, but the direction of this association remains unclear. Theoretically, the secondary psychiatric disorder hypothesis (SPDH) posits that substance use leads to suicidality, while the secondary substance use disorder hypothesis (SSUDH) posits that suicidality leads to substance use. To clarify these associations, this meta-analysis systematically reviewed studies that examined the prospective associations between SUDs and suicidality in youth (age 25 and younger) and compared results according to the direction of the association. Methods: Web of Science, Embase, PsycINFO, PubMed, Medline and ProQuest Dissertations & Theses Global were searched from inception to March 8, 2020, and 55 effect sizes from 23 samples were included and analyzed using a three-level meta-analysis. Results: SUDs significantly predicted subsequent suicidality (OR = 2.16, 95%CI 1.57–2.97), suicidality significantly predicted subsequent SUDs (OR = 2.16, 95%CI 1.53–3.04), and these effect sizes did not differ (p = 0.49). Conclusions: Considering that 65% of reviewed studies only examined the SPDH, this review highlights that more attention should be given to the SSUDH, and that studies should examine bidirectional associations between SUDs and suicidality across time. Clinically, because SUDs and suicidality were found to influence each other, results suggest that mental health and SUDs should ideally be detected and treated early, and that co-occurring disorders should be assessed and treated concomitantly.en_US
dc.identifier.citationRioux C, Huet A-S, Castellanos-Ryan N, Fortier L, Le Blanc M, Hamaoui S, et al. (2021) Substance use disorders and suicidality in youth: A systematic review and meta-analysis with a focus on the direction of the association. PLoS ONE 16(8): e0255799. https://doi.org/10.1371/journal.pone.0255799en_US
dc.identifier.urihttps://doi.org/10.1371/journal.pone.0255799
dc.identifier.urihttps://hdl.handle.net/2346/90374
dc.language.isoengen_US
dc.subjectSuicideen_US
dc.subjectMetanalysisen_US
dc.subjectUnited Statesen_US
dc.subjectCannabisen_US
dc.subjectPublication Ethicsen_US
dc.subjectLongitudinal Studiesen_US
dc.subjectMental Health and Psychiatryen_US
dc.subjectSystematic Reviewsen_US
dc.titleSubstance use disorders and suicidality in youth: A systematic review and meta-analysis with a focus on the direction of the associationen_US
dc.typeArticleen_US

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