Stress-Related Adaptive Versus Maladaptive Coping and Temporomandibular Disorder Pain

Aims: To test whether patients with temporomandibular disorder (TMD) pain differ from subjects from the general population with regard to their stress-related coping styles. Methods: Consecutive adult TMD patients (n = 70) and adult subjects of a regional general population sample (n = 868), examined according to the German version of the Research Diagnostic Criteria for TMD (RDC/TMD), were included in this study. The inclusion criterion for TMD patients was at least one pain-related diagnosis according to the RDC/ TMD, while general-population subjects were excluded if they had any pain-related TMD diagnosis. Coping styles were assessed using a common and well-accepted German 114-item stress-coping questionnaire ("Stressverarbeitungsfragebogen" SVF 114). The coping style-TMD pain relationship was investigated using logistic regression analyses adjusted for possible confounders (age, sex, level of education), as well as the influence of psychosocial measures (RDC/TMD Axis II). Odds ratios (OR) with 95% confidence intervals (CI) were calculated. Results: Study participants who used fewer adaptive coping styles (OR = 0.47, CI: 0.26-0.83) and more maladaptive coping styles (OR = 1.55, CI: 1.05-2.29) were at greater risk for TMD pain. After adjustment for sociodemographic confounders, the coping style-TMD pain relationship changed only slightly in magnitude. In an analysis adjusted for sociodemographic confounders and psychosocial RDC/TMD Axis II measures, adaptive coping styles were even more profoundly related to TMD pain (OR: 0.27, 95 CI: 0.09-0.83), but maladaptive coping styles were less related to TMD pain (OR: 1.17, 95% CI: 0.51-2.72). Conclusion: Differences in the applied stress-related coping styles of TMD patients and subjects without TMD may have implications for clinical decision making and choosing among treatment alternatives.

coping; stress; temporomandibular disorders

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