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. 2019 Aug;64(3):245-262.
doi: 10.1037/rep0000261. Epub 2019 Jan 28.

Personal resource profiles of individuals with chronic pain: Sociodemographic and pain interference differences

Chung Jung Mun  1 , Mary C Davis  2 , Ivan R Molton  3 , Paul Karoly  2 , Hye Won Suk  4 , Dawn M Ehde  3 , Howard Tennen  5 , Robert D Kerns  6 , Mark P Jensen  3
Affiliations

Personal resource profiles of individuals with chronic pain: Sociodemographic and pain interference differences

Chung Jung Mun et al. Rehabil Psychol. 2019 Aug.

Abstract

Purpose/objective: Previous studies have demonstrated important associations between personal resources and pain interference. Using latent profile analysis, the present study (a) identified subgroups of individuals with chronic pain who have different personal resource profiles; (b) explored sociodemographic differences among subgroups; and (c) examined how these subgroups differ in pain interference. Research Method/Design: Study 1 is based on daily diary and survey data from 220 individuals with fibromyalgia (FM). Study 2 is based on 4 annual surveys of 483 individuals with long-term neurological/neuromuscular disease or injury, and chronic pain. Modifiable personal resource variables including sense of resilience, social support, pain acceptance, and sleep quality were included in latent profile analyses.

Results: Three subgroups were identified in both studies: High, Moderate, and Low Personal Resource groups. In both studies, annual income level was significantly different among subgroups. Study 1 results showed a significant between-groups difference in pain interference across 21-days only between High and Moderate Personal Resource groups controlling for the level of pain intensity and depressive symptoms. In Study 2, however, all subgroups were significantly different with respect to their levels of pain interference at baseline over and above various covariates, with the Low Personal Resource group reporting the highest level of pain interference at baseline. These baseline differences remained stable over 4 years.

Conclusions/implications: The findings suggest a robust association between economic disparity and personal resource profiles among individuals with chronic pain. The role of different personal resource profiles in pain interference appears to differ by chronic pain condition. (PsycINFO Database Record (c) 2019 APA, all rights reserved).

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Conflict of interest statement

Conflicts of Interest The authors have no conflicts of interest in conducting this research.

Figures

Figure 1.
Figure 1.
Results of the Latent Profile Analysis of Individuals with Chronic Pain in Study 1
Figure 2.
Figure 2.
Results of the Latent Profile Analysis of Individuals with Chronic Pain in Study 2
Figure 3.
Figure 3.
Different Trajectories of Pain Interference Over Four Years Among Subgroups of Individuals with Chronic Pain in Study 2
Figure 4.
Figure 4.
Summary of Latent Growth Curve Modeling in Study 2 Note. * p < .05, ** p < .01, *** p < .001. Results did not differ when other covariates (i.e., medical symptoms severity, mobility, and duration of diagnosis) were included in the model. Hence, they were excluded in the final model due to model parsimony.
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