Document Detail

Perceived injustice moderates the relationship between pain and depressive symptoms among individuals with persistent musculoskeletal pain.
MedLine Citation:
PMID:  23061084     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Numerous investigations report that depressive symptoms frequently coexist with persistent pain. However, evidence suggests that symptoms of depression are not an inevitable consequence of pain. Diathesis-stress formulations suggest that psychological factors interact with the stress of pain to heighten the risk of depressive symptoms. Perceptions of injustice have recently emerged as a factor that may interact with the stress of pain to increase depressive symptoms.
OBJECTIVES: The purpose of the present study was to examine whether perceived injustice moderates the relationship between pain and depressive symptoms.
METHODS: A total of 107 individuals with persistent musculoskeletal pain completed self-report measures of pain severity, depressive symptoms, perceived injustice and catastrophizing.
RESULTS: A hierarchical regression analysis revealed that the interaction between pain severity and perceived injustice uniquely contributed an additional 6% of the variance to the prediction of depressive symptoms, beyond the main effects of these variables. Post hoc probing indicated that pain was significantly related to depressive symptoms at high, but not low levels of perceived injustice. This finding remained statistically significant even when controlling for pain catastrophizing.
CONCLUSIONS: The results suggest that perceived injustice augments the relationship between pain severity and depressive symptoms. The inclusion of techniques specifically targeting perceptions of injustice may enhance the effectiveness of interventions aimed at reducing symptoms of depression for individuals presenting with strong perceptions of injustice.
Whitney Scott; Michael Sullivan
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Pain research & management : the journal of the Canadian Pain Society = journal de la société canadienne pour le traitement de la douleur     Volume:  17     ISSN:  1203-6765     ISO Abbreviation:  Pain Res Manag     Publication Date:    2012 Sep-Oct
Date Detail:
Created Date:  2012-10-12     Completed Date:  2012-12-04     Revised Date:  2013-09-03    
Medline Journal Info:
Nlm Unique ID:  9612504     Medline TA:  Pain Res Manag     Country:  Canada    
Other Details:
Languages:  eng     Pagination:  335-40     Citation Subset:  IM    
Department of Physchology, McGill University, Montreal, Quebec.
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MeSH Terms
Catastrophization / complications*,  psychology
Chronic Pain / complications*,  psychology
Depression / complications*,  psychology
Middle Aged
Musculoskeletal Pain / complications*,  psychology
Pain Measurement / methods
Perception / physiology
Young Adult

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