Document Detail


Exercise caution: over-exercise is associated with suicidality among individuals with disordered eating.
MedLine Citation:
PMID:  23219104     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
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.
Authors:
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:
Type:  Journal Article     Date:  2012-12-07
Journal Detail:
Title:  Psychiatry research     Volume:  206     ISSN:  1872-7123     ISO Abbreviation:  Psychiatry Res     Publication Date:  2013 Apr 
Date Detail:
Created Date:  2013-04-01     Completed Date:  2013-09-17     Revised Date:  2014-04-08    
Medline Journal Info:
Nlm Unique ID:  7911385     Medline TA:  Psychiatry Res     Country:  Ireland    
Other Details:
Languages:  eng     Pagination:  246-55     Citation Subset:  IM    
Copyright Information:
Copyright © 2012 Elsevier Ireland Ltd. All rights reserved.
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Bulimia Nervosa / psychology*
Compulsive Behavior / psychology*
Exercise / psychology*
Feeding Behavior
Female
Humans
Male
Middle Aged
Pain Perception*
Pain Threshold
Perceptual Disorders / psychology*
Suicidal Ideation
Suicide / psychology*
Suicide, Attempted / psychology
Young Adult

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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