BACKGROUND CONTEXT: In the assessment and treatment of chronic low back pain (CLBP) patients, the biopsychosocial model is used worldwide. Psychological distress has been reported to have a strong relationship with disability as measured with several instruments. The relationship between psychosocial distress measured with the Symptom Checklist-90-Revised (SCL-90-R) and self-reported disability measured with the Roland Morris Disability Questionnaire (RMDQ) has not been investigated. PURPOSE: To analyze the relationship between psychosocial distress measured with the SCL-90-R and self-reported disability measured with the RMDQ in patients with CLBP. STUDY DESIGN/ SETTING: This cross sectional study was performed in an outpatient pain rehabilitation setting. PATIENT SAMPLE: The study sample consisted of 152 patients with CLBP. OUTCOME MEASURES: SCL-90-R and RMDQ. METHODS: All patients admitted for multidisciplinary treatment completed the SCL-90-R and RMDQ before treatment. Pearson's correlation coefficients between SCL-90-R (Global Severity Index and subscales) and RMDQ were calculated. RESULTS: Correlation coefficients between SCL-90-R (Global Severity Index and subscales) and RMDQ ranged from 0.18 to 0.31 (p<.05). CONCLUSION: The relationship between psychosocial distress measured with the SCL-90-R and self-reported disability measured with the RMDQ in CLBP patients is weak.
BACKGROUND CONTEXT: In the assessment and treatment of chronic low back pain (CLBP) patients, the biopsychosocial model is used worldwide. Psychological distress has been reported to have a strong relationship with disability as measured with several instruments. The relationship between psychosocial distress measured with the Symptom Checklist-90-Revised (SCL-90-R) and self-reported disability measured with the Roland Morris Disability Questionnaire (RMDQ) has not been investigated. PURPOSE: To analyze the relationship between psychosocial distress measured with the SCL-90-R and self-reported disability measured with the RMDQ in patients with CLBP. STUDY DESIGN/ SETTING: This cross sectional study was performed in an outpatientpain rehabilitation setting. PATIENT SAMPLE: The study sample consisted of 152 patients with CLBP. OUTCOME MEASURES: SCL-90-R and RMDQ. METHODS: All patients admitted for multidisciplinary treatment completed the SCL-90-R and RMDQ before treatment. Pearson's correlation coefficients between SCL-90-R (Global Severity Index and subscales) and RMDQ were calculated. RESULTS: Correlation coefficients between SCL-90-R (Global Severity Index and subscales) and RMDQ ranged from 0.18 to 0.31 (p<.05). CONCLUSION: The relationship between psychosocial distress measured with the SCL-90-R and self-reported disability measured with the RMDQ in CLBPpatients is weak.
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