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Eating disorders and non-suicidal self-injury: Structural equation modelling of a conceptual model

Title
Eating disorders and non-suicidal self-injury: Structural equation modelling of a conceptual model
Type
Article in International Scientific Journal
Year
2018
Authors
Vieira, AI
(Author)
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Machado, BC
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moreira, cs
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FCUP
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Machado, PPP
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Brandao, I
(Author)
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Roma Torres, A
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Goncalves, S
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Journal
Vol. 26
Pages: 431-437
ISSN: 1072-4133
Publisher: Wiley-Blackwell
Other information
Authenticus ID: P-00P-E2S
Abstract (EN): Evidence suggests several risk factors for both eating disorders (ED) and nonsuicidal self-injury (NSSI), but the relationships between these factors are not well understood. Considering our previous work and a conceptual model, this cross-sectional study aimed to assess the relationships among distal and proximal factors for the presence of NSSI in ED. We assessed 245 ED patients with the Oxford Risk Factor Interview for ED. Structural equation modelling revealed that both distal and proximal factors were related to the presence of NSSI in ED, disclosing a mediating role of the proximal factors. Stressful life events mediated the relationship between childhood sexual abuse, peer aggression, and both ED and NSSI. Childhood physical abuse was related to ED and NSSI via substance use, negative self-evaluation, and suicide attempts. Findings provided support for the conceptual model and highlight the possible mechanisms by which psychosocial factors may lead to ED and NSSI.
Language: English
Type (Professor's evaluation): Scientific
No. of pages: 7
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