THE PSYCHOMETRIC PROPERTIES OF THE OREBRO MUSCULOSKELETAL PAIN QUESTIONNAIRE IN GREEK MUSCULOSKELETAL PAIN PATIENTS: VALIDATION, RELIABILITY AND RESPONSIVENESS MEASURES

Georgoudis G1,2,3, Koutri C4, Skouras A4, Oikonomaki M4, Sotiropoulos S4, Papandreou M4
1University of West Attica, Director of Musculoskeletal & Chest Physiotherapy Research Lab, Athens, Greece, 2Hellenic Scientific Society of Algology, Athens, Greece, 3PhysioPain Group, Physiotherapy, Athens, Greece, 4University of West Attica, Musculoskeletal & Chest Physiotherapy Lab, Athens, Greece

Background: The biopsychosocial assessment of spine pain has an important role in the rehabilitation of musculoskeletal pain patients. The Orebro Musculoskeletal Pain Screening Questionnaire (OMPSQ) is one of the best researched psychosocial instruments for this purpose, but not yet validated in Greek patients.

Purpose: The aim of this study was to cross culturally adapt the OMPSQ into Greek and assess for its validity (convergent and divergent), reliability and responsiveness.

Methods: A sample of 30 patients (14 male, 18-79 years, 73.6+14.1 kgr, 1.71+0.11m) attending three outpatient clinics participated in the study. The adaptation of OMPSQ into Greek (OMPSQ-GR) followed the guidelines for cross-cultural research tools. A number of validated into Greek questionnaires was also completed at all times OMPSQ was administered: the Short-form McGill Pain Questionnaire (SF-MPQ), the Rolland Morris Disability questionnaire (RMD), the Oswestry Disability Index (ODI), the VAS scale, the Keele STarT Back Tool (KSBT).
Ethical approval was given by the Ethics Committee of the University of West Attica, Athens, Greece (Ref: 6/16-2-2018, 2nd topic). Internal consistency was assessed using Cronbach's α and test-retest reliability using Intraclass Correlation Coeficient (ICC). Validity was determined by calculating the Pearson's r correlation coefficient between the OMPSQ and ODI and sensory SFMPQ (convergent) and the RMD, KSTB, affective SFMPQ, VAS, VRS (divergent). Responsiveness was assessed using ANOVA between pre- and post-treatment measurements.

Results: Internal consistency was satisfactory (a = 0.76) for OMPSQ-GR. Convergent validity was very good between the ODI (r=0.41, p 0.05) and sensory SFMPQ (r=0.52, p 0.05), and divergent validity was also evident (NS relationships, p>0.05, at all times). Test-retest reliability for every single item and the total score was also satisfactory (ICC = 0.964, with 95% CI: 0.91-0.985). A significant reduction in the total OMPSQ-GR score (F-test = 6.51 p 0.005) coupled with a subjective estimation of improvement, was evidenced after 10 sessions of physiotherapy/acupuncture treatment of spine pain (responsiveness).

Conclusion(s): The Greek version of OMPSQ was shown to be a valid, reliable and responsive tool to assess the psychosocial aspects and musculoskeletal pain in Greek outpatients.

Implications: The results for the OMPSQ-GR are comparable to the original and other versions of cultural adaptations in other languages. Therefore, a direct comparison can be made between data among the countries.

Keywords: Orebro, spine pain, greek version

Funding acknowledgements: None

Topic: Pain & pain management; Musculoskeletal; Outcome measurement

Ethics approval required: Yes
Institution: University of West Attica, Athens, Greece
Ethics committee: Ethics Research Committee
Ethics number: 2nd topic, 6/16-02-2018


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