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Title: | Maternal and peer attachment, identity formation, and non-suicidal self-injury: a longitudinal mediation study | Authors: | Gandhi, Amarendra LUYCKX, Kurt MOLENBERGHS, Geert Baetens, Imke Goossens, Lien Maitra, Shubhada Claes, Laurence |
Issue Date: | 2019 | Publisher: | BMC | Source: | Child and adolescent psychiatry and mental health, 13 (Art N° 7) | Abstract: | Background: Non-suicidal self-injury (NSSI) is defined as the repetitive, direct, and deliberate destruction of one's body tissue without an intention to die. Existing cross-sectional research indicates that the association between maternal/peer attachment and NSSI is mediated by identity synthesis and confusion. However, longitudinal confirmation of the aforementioned mediation models is necessary as cross-sectional models are known to be biased. Consequently, the aim of the present study was to investigate whether identity formation mediates the association between attachment and NSSI in a longitudinal design. Methods: Three waves of self-report questionnaires data (1 year apart) were collected on maternal and peer attachment, identity, and NSSI from students of a high school in Belgium (at Time 1: Mean age = 15.0 years, SD = 1.85, range = 11-19 years, 50.6% female). Both cross-lagged (between-person) and parallel process latent growth curve (within-person) mediation analyses were used to test the mediation models. Results: Findings of the cross-lagged analyses indicated unidirectional associations among the study variables, that is, from attachment to identity to NSSI. Parallel process latent growth mediation analyses showed that the association between the slope of maternal attachment and the slope of NSSI was mediated by the slopes of identity synthesis and confusion. Peer attachment models did not fit the data. Conclusion: The current work demonstrated that dysfunctional maternal and peer attachment may lead to disturbances in identity formation, which, in turn, may lead to increased NSSI. Additionally, within-person analysis indicated that the growth rate of maternal attachment predicted the growth rate of NSSI through the growth rate of identity synthesis and confusion. The clinical relevance of these findings is discussed. | Notes: | Gandhi, A (reprint author), Katholieke Univ Leuven, Fac Psychol & Educ Sci, Tiensestr 102, B-3000 Leuven, Belgium. Amarendra.Gandhi@kuleuven.be |
Keywords: | Longitudinal follow-up study;Non-suicidal self-injury;Maternal and peer attachment;Identity synthesis and confusion;Cross-lagged mediation;Parallel process latent growth class mediation models | Document URI: | http://hdl.handle.net/1942/31434 | e-ISSN: | 1753-2000 | DOI: | 10.1186/s13034-019-0267-2 | ISI #: | WOS:000456087100001 | Rights: | The Author(s) 2019. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/ publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated. | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2020 |
Appears in Collections: | Research publications |
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s13034-019-0267-2.pdf | Published version | 1.43 MB | Adobe PDF | View/Open |
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