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Table 1 Overview of the data-collection

From: The cost-effectiveness of a treatment-based classification system for low back pain: design of a randomised controlled trial and economic evaluation

Instrument Baseline 8 weeks 26 weeks 39 weeks 52 weeks
Demographic data X     
Physical characteristics and primary classification X     
Primary outcome      
Global perceived recovery   X X   X
Disability (ODI) X X X   X
Pain intensity (NRS) X X X   X
Secondary outcome      
General health (SF-36) X X X   X
Health-related quality of life (EQ-5D) X X X   X
Fear-avoidance beliefs (FABQ) X     X
Psychosocial status (ÖMPSQ) X     X
Economic evaluation      
Costs (PRODISQ and cost diary)   X X X X
  1. Abbreviations: ODI = Oswestry Disability Index, NRS = Numerical Rating Scale, SF-36 = Short Form 36, EQ-5D = EuroQol, FABQ = Fear-Avoidance Beliefs Questionnaire, ÖMPSQ = Örebro Musculoskeletal Pain Screening Questionnaire, PRODISQ = PROductivity and DISease Questionnaire