Preliminary Validation Of The Pain Burden Inventory In A Pediatric Chronic Pain Population
CLINICAL JOURNAL OF PAIN(2021)
Abstract
Objective: To determine the preliminary reliability and validity of the Pain Burden Inventory-Youth (PBI-Y), a 7-item measure of the impact of chronic pain in adolescents with chronic pain that was, initially validated in youth with sickle cell disease. Materials and Methods: A retrospective chart review of 130 patients presenting to an interdisciplinary pain clinic were examined with 98 (mean age=14.49; 66% female) comprising the final sample. Demographic information as well as adolescent and parent self-reported measures were examined. Results: Youth reported a variety of pains including abdominal pain, headaches, back pain, and amplified musculoskeletal pain. The PBI-Y demonstrated strong internal reliability (alpha=0.792) and strong cross-informant concordance (r=0.822; P=0.000). Good construct validity was seen where higher scores on the PBI-Y were correlated with higher scores of (1) functional disability (r=0.689; P=0.000), (2) pain catastrophizing (r=0.494; P=0.000), (3) pain frequency days (r=0.526; P=0.000), (4) usual pain intensity (r=0.467; P=0.000), and (5) the worst pain intensity (r=0.485; P=0.000). Similar results were seen with caregiver assessments. Neither caregiver nor youth reports differed based on the sex or age of the child. Discussion: The results support the psychometric properties of a brief self-report measure of pain impact in a pediatric chronic pain population. This measure may have great utility for clinicians caring for youth with chronic pain.
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Key words
pain, functional assessment, adolescents
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