| Exercise caution: Over-exercise is associated with suicidality among individuals with disordered eating. | |
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MedLine Citation:
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PMID: 23219104 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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We conducted four studies to examine the relationship between over-exercise and suicidality. Study 1 investigated whether over-exercise predicted suicidal behavior after controlling for other eating disorder behaviors in a patient sample of 204 women (144 with Diagnostic and Statistical Manual of Mental Disorders, 4th Edition (DSM-IV) Bulimia Nervosa [BN]). Study 2 tested the prospective association between over-exercise and acquired capability for suicide (ACS) in a sample of 171 college students followed for 3-4 weeks. Study 3 investigated whether pain insensitivity accounted for the relationship between over-exercise and ACS in a new sample of 467 college students. Study 4 tested whether ACS accounted for the relationship between over-exercise and suicidal behavior in a sample of 512 college students. In Study 1, after controlling for key covariates, over-exercise was the only disordered eating variable that maintained a significant relationship with suicidal behavior. In Study 2, Time 1 over-exercise was the only disordered eating behavior that was associated with Time 2 ACS. In Study 3, pain insensitivity accounted for the relationship between over-exercise and ACS. In Study 4, ACS accounted for the relationship between over-exercise and suicidal behavior. Over-exercise appears to be associated with suicidal behavior, an association accounted for by pain insensitivity and the acquired capability for suicide; notably, this association was found across a series of four studies with different populations. |
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Authors:
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April R Smith; Erin L Fink; Michael D Anestis; Jessica D Ribeiro; Kathryn H Gordon; Heather Davis; Pamela K Keel; Anna M Bardone-Cone; Carol B Peterson; Marjorie H Klein; Scott Crow; James E Mitchell; Ross D Crosby; Stephen A Wonderlich; Daniel le Grange; Thomas E Joiner |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-12-7 |
Journal Detail:
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Title: Psychiatry research Volume: - ISSN: 1872-7123 ISO Abbreviation: Psychiatry Res Publication Date: 2012 Dec |
Date Detail:
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Created Date: 2012-12-10 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7911385 Medline TA: Psychiatry Res Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2012 Elsevier Ireland Ltd. All rights reserved. |
Affiliation:
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Department of Psychology, Miami University, 90 N. Patterson Dr., Oxford, OH 45056, United States. Electronic address: aprilsmith@muohio.edu. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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