Additional Validation of the Pain Medication Questionnaire in a Sample of Patients with Chronic Pain

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Title: Additional Validation of the Pain Medication Questionnaire in a Sample of Patients with Chronic Pain
Author: Buelow, Amanda
Abstract: The present study represents an initial stage in the formal attempt to aid in developing a psychometrically sound , self -report screen tool used for assessing potential pain medication misuse risk . This study follows previous studies of Adams and colleagues (2004 ) and Holmes and colleagues (2006 ) . The Pain Medication Questionnaire (PMQ ) , initially a 26 -item instrument , was studied as a 23 -item questionnaire designed to measure risk for opioid misuse . This revised PMQ showed good reliability and validity . This study also examined the ability of the revised PMQ to predict pain medication misuse in a heterogeneous sample of chronic pain patients . The PMQ was administered to 1 ,540 patients at a pain center that provided interdisciplinary pain management , including medication , psychological , and physical therapy disciplines . The risk of a patient's pain medication misuse , as predicted by the PMQ , was found to significantly decrease following interdisciplinary intervention . Cut -off scores were created from the distributed PMQ scores by assessing a frequency scatter plot and determined that those participants with scores below a 21 on the PMQ made up the lowest (L -PMQ ) group , scores including and between 21 to 30 on the PMQ made up the middle (M -PMQ ) group , and scores above 30 made up the highest (H -PMQ ) group . A comparison using the H -PMQ and L -PMQ groups revealed that those participants in the H -PMQ group , after completing an interdisciplinary treatment program , had significantly decreased PMQ scores at post -treatment . In addition , the H -PMQ group was significantly associated with greater levels of non -compliance or drop out from treatment , early pain medication refill requests , and endorsement of having a history of alcohol abuse or history of rehab for alcohol or drugs . Finally , the present study also examined the relationship of total PMQ score with measures of physical impairment and perceived pain . Findings suggest that higher scores on the PMQ are minimally associated with higher levels of impairment of physical functioning and perceived pain .
URI: http : / /hdl .handle .net /2152 .5 /646
Date: 2009-09-04

Citation

Additional Validation of the Pain Medication Questionnaire in a Sample of Patients with Chronic Pain. Graduate School of Biomedical Sciences. Available electronically from http : / /hdl .handle .net /2152 .5 /646 .

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