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OBJECTIVE Radiographic measures of the pathologic changes of knee osteoarthritis (OA) have shown modest associations with clinical pain. We sought to evaluate possible differences in quantitative sensory testing (QST) results and psychosocial distress profiles between knee OA patients with discordant versus congruent clinical pain reports relative to(More)
OBJECTIVES: The aim of this prospective investigation was to evaluate ethnic group differences in pain-related outcomes following multidisciplinary chronic pain treatment. A prospective pre- and post-treatment assessment design was employed to investigate the effects of ethnicity on changes in pain-related variables following completion of a(More)
BACKGROUND Though eating disorders (EDs) are associated with numerous physiologic complications, very little research has examined subjective reports of pain and pain-related risk factors in patients with EDs. OBJECTIVES The present study aimed to examine the relationship between ED symptomatology and pain-related variables, including pain intensity, pain(More)
UNLABELLED Catastrophizing is widely recognized as an important risk factor for adverse pain-related outcomes. However, questions remain surrounding the details of its assessment. In particular, recent laboratory studies suggest that evaluation of "situational" catastrophizing (ie, catastrophizing measured during or directly after the administration of(More)
Pain-related coping, particularly catastrophizing, plays a significant role in shaping pain responses. One way catastrophizing is hypothesized to amplify pain and disability is via its effect on patients' social environments (e.g., communal coping model), though empirical support is limited. The present study tested whether the association between(More)
STUDY OBJECTIVES We characterized sleep disorder rates in temporomandibular joint disorder (TMD) and evaluated possible associations between sleep disorders and laboratory measures of pain sensitivity. DESIGN Research diagnostic examinations were conducted, followed by two consecutive overnight polysomnographic studies with morning and evening assessments(More)
OBJECTIVE To evaluate whether anger and anger expression are different between persons with and without headache after controlling for depression and anxiety. BACKGROUND Persons with headache may experience more problems with anger and its expression when compared with persons without headache. It is important to establish whether differences exist for(More)
Cognitive behavioral self-help is a potentially cost-saving method of delivering evidence-based treatment to a wide range of chronic pain patients. This article provides a rationale for self-help and focuses on the effectiveness of self-help in the management of chronic pain, which typically includes some degree of lay leader or professional facilitation.(More)
Recent findings suggest that certain individuals with musculoskeletal pain conditions have increased sensitivity to physical activity (SPA) and respond to activities of stable intensity with increasingly severe pain. This study aimed to determine the degree to which individuals with knee osteoarthritis (OA) show heightened SPA in response to a standardized(More)
Sleep disturbance and pain catastrophizing are important mediators of the chronic pain experience. To date, these factors have not been considered concurrently despite compelling theoretical rationale to do so. In the present study, we examined whether pain catastrophizing not only has direct effects on clinical pain and pain-related interference, but also(More)