Document Detail

Multilevel regression analyses to investigate the relationship between two variables over time: examining the longitudinal association between intrusion and avoidance.
MedLine Citation:
PMID:  19937725     Owner:  NLM     Status:  MEDLINE    
Multilevel modeling is a powerful and flexible framework for analyzing nested data structures (e.g., repeated measures or longitudinal designs). The authors illustrate a series of multilevel regression procedures that can be used to elucidate the nature of the relationship between two variables across time. The goal is to help trauma researchers become more aware of the utility of multilevel modeling as a tool for increasing the field's understanding of posttraumatic adaptation. These procedures are demonstrated by examining the relationship between two posttraumatic symptoms, intrusion and avoidance, across five assessment points in a sample of rape and robbery survivors (n = 286). Results revealed that changes in intrusion were highly correlated with changes in avoidance over the 18-month posttrauma period.
Michael K Suvak; Sherry M Walling; Katherine M Iverson; Casey T Taft; Patricia A Resick
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Journal of traumatic stress     Volume:  22     ISSN:  1573-6598     ISO Abbreviation:  J Trauma Stress     Publication Date:  2009 Dec 
Date Detail:
Created Date:  2009-12-28     Completed Date:  2010-03-15     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8809259     Medline TA:  J Trauma Stress     Country:  United States    
Other Details:
Languages:  eng     Pagination:  622-31     Citation Subset:  IM    
National Center for Posttraumatic Stress Disorder, VA Boston Healthcare System, Boston, MA 02130, USA.
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MeSH Terms
Adaptation, Psychological*
Defense Mechanisms*
Longitudinal Studies
Models, Statistical
Multilevel Analysis / methods*
Multivariate Analysis
Personality Inventory / statistics & numerical data
Psychometrics / statistics & numerical data
Rape / psychology*
Regression Analysis*
Reproducibility of Results
Stress Disorders, Post-Traumatic / diagnosis,  psychology*
Survivors / psychology*
Theft / psychology*
Grant Support

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