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Multidimensional Pain Inventory profile classifications and psychopathology
M A Etscheidt1, H G Steger, B Braverman
1University of Kentucky College of Medicine, Lexington, USA.
Abstract:
The Multidimensional Pain Inventory (MPI) and the MMPI have been used widely to assess chronic pain patients. This study examined the relationship between patient profile classifications generated by the MPI and psychopathology as measured by the MMPI. MPI Dysfunctional and Interpersonally Distressed means were significantly different than the MPI Adaptive Coper means on scales 4, 6, 7, and 8 of the MMPI. The Dysfunctional and Adapative Coper means were also significantly different on MMPI scale 2. MMPI profiles for 79% classified as Dysfunctional and 62% classified as Interpersonally Distressed displayed psychopathology as defined by significant two-point scale elevations. Only 23% of those classified as Adaptive Copers had significant two-point MMPI scale elevations.
Insights
The Multidimensional Pain Inventory (MPI) and MMPI reveal distinct psychopathology profiles in chronic pain patients. Adaptive copers show fewer signs of psychological distress compared to dysfunctional or interpersonally distressed groups.
Area of Science:
- Psychology
- Psychiatry
- Pain Medicine
Background:
- The Multidimensional Pain Inventory (MPI) and Minnesota Multiphasic Personality Inventory (MMPI) are established tools for chronic pain assessment.
- Understanding the relationship between MPI-defined patient profiles and MMPI-measured psychopathology is crucial for targeted treatment.
Purpose of the Study:
- To investigate the association between patient classifications derived from the MPI and the presence of psychopathology indicated by MMPI scores.
- To differentiate psychological profiles of chronic pain patients based on their coping strategies.
Main Methods:
- Utilized data from chronic pain patients assessed with both the MPI and MMPI.
- Compared MMPI scale scores across MPI-defined patient groups: Dysfunctional, Interpersonally Distressed, and Adaptive Copers.
- Analyzed significant differences in MMPI psychopathology scales (2, 4, 6, 7, 8) between MPI groups.
Main Results:
- MPI Dysfunctional and Interpersonally Distressed groups showed significantly higher MMPI scores on scales 4, 6, 7, and 8 compared to Adaptive Copers.
- Significant differences were also observed on MMPI scale 2 between Dysfunctional and Adaptive Coper groups.
- A high percentage of Dysfunctional (79%) and Interpersonally Distressed (62%) patients exhibited psychopathology via MMPI two-point scale elevations, contrasting with only 23% of Adaptive Copers.
Conclusions:
- MPI classifications correlate significantly with MMPI-identified psychopathology in chronic pain patients.
- Adaptive Coper profiles are associated with lower levels of psychopathology compared to Dysfunctional and Interpersonally Distressed profiles.
- These findings support using MPI profiles to anticipate and address specific psychological needs in chronic pain management.