• Kathryn A Martinez, Claire F Snyder, Jennifer L Malin, and Sydney M Dy.
• Ann Arbor VA Center for Clinical Management Research, University of Michigan, Ann Arbor, Michigan, USA. Electronic address: makathry@med.umich.edu.
• J Pain Symptom Manage. 2014 Dec 1; 48 (6): 1050-9.

ContextDeveloping interventions to address racial/ethnic cancer pain disparities requires exploration of the role of socioeconomic status, health status, and pain severity from the time of diagnosis.ObjectivesTo examine patterns of disparities in cancer pain by evaluating differences by race/ethnicity in the odds of reporting pain and in pain severity, controlling for key patient-level covariates.MethodsThis study used data from a nationally representative cohort of colorectal and lung cancer patients. Multivariable logistic regression was conducted to examine the relationship between race/ethnicity and reporting pain. Multivariable linear regression was then conducted, among those who reported pain, to determine differences in pain severity by race/ethnicity.ResultsThe cohort included 5761 individuals (14% black, 7% Hispanic/Latino, 6% Asian or Pacific Islander, and 3% multiracial), among whom 48% reported pain. The adjusted odds of reporting differed only for multiracial patients, who were more likely to report pain than whites (odds ratio: 1.54; P = 0.036). However, among those with pain, severity was higher for black patients (β = 6.6; P ≤ 0.001) and multiracial patients (β = 4.5; P = 0.036) relative to white patients. Lower educational attainment, depressed affect, and lower levels of wealth also were associated with higher pain severity.ConclusionAlthough the odds of experiencing pain differed only for multiracial patients, among those reporting pain, both blacks and multiracial individuals reported higher pain severity than whites. Sociodemographic status, health status, and depression were associated with severity but did not explain the disparity. Interventions to address these disparities will need to focus on reported severity and patient-level factors.Published by Elsevier Inc.

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