Predictive ability of a modified Örebro Musculoskeletal Pain Questionnaire in an acute/subacute low back pain working population
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The original 'ֲebro Musculoskeletal Pain Questionnaire' (original-֍PQ) has been shown to have limitations in practicality, factor structure, face and content validity. This study addressed these concerns by modifying its content producing the 'ֲebro Musculoskeletal Screening Questionnaire' (֍SQ). The ֍SQ and original-֍PQ were tested concurrently in acute/subacute low back pain working populations (pilot n = 44, main n = 106). The ֍SQ showed improved face and content validity, which broadened potential application, and improved practicality with two-thirds less missing responses. High reliability (0.975, p < 0.05, ICC: 2.1), criterion validity (Spearman's r = 0.97) and internal consistency (a = 0.84) were achieved, as were predictive ability cut-off scores from ROC curves (112-120 ֍SQ-points), statistically different ֍SQ scores (p < 0.001) for each outcome trait, and a strong correlation with recovery time (Spearman's, r = 0.71). The six-component factor structure reflected the constructs originally proposed. The ֍SQ can be substituted for the original-֍PQ in this population. Further research will assess its applicability in broader populations.
European Spine Journal
Primary Health Care