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dc.contributor.authorTonga, Eda
dc.contributor.authorGabel, Charles Philip
dc.contributor.authorKarayazgan, Sedef
dc.contributor.authorCuesta-Vargas, Antonio I.
dc.date.accessioned2019-12-06T09:35:56Z
dc.date.available2019-12-06T09:35:56Z
dc.date.issued2015
dc.identifier.urihttps://hqlo.biomedcentral.com/track/pdf/10.1186/s12955-015-0219-3
dc.identifier.urihttp://hdl.handle.net/11727/4341
dc.description.abstractBackground: The Spine Functional Index (SFI) is a patient reported outcome measure with sound clinimetric properties and clinical viability for the determination of whole-spine impairment. To date, no validated Turkish version is available. The purpose of this study is to cross-culturally adapted the SFI for Turkish-speaking patients (SFI-Tk) and determine the psychometric properties of reliability, validity and factor structure in a Turkish population with spine musculoskeletal disorders. Methods: The SFI English version was culturally adapted and translated into Turkish using a double forward and backward method according to established guidelines. Patients (n = 285, cervical = l29, lumbar = 151, cervical and lumbar region = 5, 73% female, age 45 +/- 1) with spine musculoskeletal disorders completed the SFI-Tk at baseline and after a seven day period for test-retest reliability. For criterion validity the Turkish version of the Functional Rating Index (FRI) was used plus the Neck Disability Index (NDI) for cervical patients and the Oswestry Disability Index (ODI) for back patients. Additional psychometric properties were determined for internal consistency (Chronbach's a), criterion validity and factor structure. Results: There was a high degree of internal consistency (a = 0.85, item range 0.80-0.88) and test-retest reliability (r = 0.93, item range = 0.75-0.95). The factor analysis demonstrated a one-factor solution explaining 24.2% of total variance. Criterion validity with the ODI was high (r = 0.71, p < 0.001) while the FRI and NDI were fair (r = 0.52 and r = 0.58, respectively). The SFI-Tk showed no missing responses with the 'half-mark' option used in 11.75% of total responses by 77.9% of participants. Measurement error from SEM and MDC90 were respectively 2.96% and 7.12%. Conclusions: The SFI-Tk demonstrated a one-factor solution and is a reliable and valid instrument. The SFI-Tk consists of simple and easily understood wording and may be used to assess spine region musculoskeletal disorders in Turkish speaking patients.en_US
dc.language.isoengen_US
dc.relation.isversionof10.1186/s12955-015-0219-3en_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectSpine outcomeen_US
dc.subjectTurkishen_US
dc.subjectValidityen_US
dc.subjectReliabilityen_US
dc.subjectFactor analysisen_US
dc.titleCross-cultural adaptation, reliability and validity of the Turkish version of the spine functional indexen_US
dc.typearticleen_US
dc.relation.journalHEALTH AND QUALITY OF LIFE OUTCOMESen_US
dc.identifier.volume13en_US
dc.identifier.wos000350314600003
dc.identifier.eissn1477-7525


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