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Please use this identifier to cite or link to this item: https://doi.org/10.21256/zhaw-25885
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dc.contributor.authorBejer, Agnieszka-
dc.contributor.authorBieś, Agnieszka-
dc.contributor.authorKyc, Sylwia-
dc.contributor.authorLorenc, Magdalena-
dc.contributor.authorMataczyński, Piotr-
dc.contributor.authorDomka-Jopek, Elżbieta-
dc.contributor.authorMelloh, Markus-
dc.contributor.authorGabel, Charles Philip-
dc.date.accessioned2022-10-28T12:49:43Z-
dc.date.available2022-10-28T12:49:43Z-
dc.date.issued2021-
dc.identifier.issn1660-4601de_CH
dc.identifier.issn1661-7827de_CH
dc.identifier.urihttps://digitalcollection.zhaw.ch/handle/11475/25885-
dc.description.abstractThis study aimed to perform linguistic and cross-cultural adaptation to establish a Polish version of the Lower Limb Functional Index (LLFI) as well as an evaluation of the psychometric properties. This was a two-stage, cross-sectional study. The first stage-linguistic and cultural adaptation, complied with the International Society for Pharmacoeconomics and Outcomes Research guidelines to produce the Lower Limb Functional Index, Polish version (LLFI-PL). The subjects were recruited to the second stage of the study from a sample of convenience (n = 125, age x- = 52.86 ± 19.53 years, 56% female, symptoms duration x- = 17.69 ± 18.39 weeks). Baseline reliability was performed on the LLFI-PL with retest period at 3-7 days. The Western Ontario and McMaster University Osteoarthritis Index (WOMAC), EuroQol Health Questionnaire 5-Dimensions 5-Level (EQ-5D-5L), and an 11-point Pain Numerical Rating Scale (P-NRS) were completed to assess the validity of the LLFI-PL. Statistical analysis showed high internal consistency (α = 0.94), and excellent test-retest reliability (ICC2.1 = 0.96). The measurement error was SEM = 1.69% with MDC90 = 3.93%. Construct validity demonstrated strong correlations between the LLFI-PL and WOMAC (r = 0.81) and moderate correlations with the EQ-5D-5L (r = -0.63) and P-NRS (r = -0.39). Exploratory factor analysis confirmed a single-factor structure. The LLFI-PL is a psychometrically sound questionnaire for Polish-speaking patients with lower limb musculoskeletal conditions. The results support findings from the previous original English, Spanish, and Turkish versions.de_CH
dc.language.isoende_CH
dc.publisherMDPIde_CH
dc.relation.ispartofInternational Journal of Environmental Research and Public Healthde_CH
dc.rightshttp://creativecommons.org/licenses/by/4.0/de_CH
dc.subjectLower limb functional indexde_CH
dc.subjectOutcome measurede_CH
dc.subjectPsychometricsde_CH
dc.subjectLinguistic adaptationde_CH
dc.subjectPolandde_CH
dc.subject.ddc490: Andere Sprachende_CH
dc.subject.ddc610: Medizin und Gesundheitde_CH
dc.titlePolish cross-cultural adaptation of the lower limb functional index (LLFI) demonstrates a valid outcome measure for the lower limb region and jointsde_CH
dc.typeBeitrag in wissenschaftlicher Zeitschriftde_CH
dcterms.typeTextde_CH
zhaw.departementGesundheitde_CH
zhaw.organisationalunitInstitut für Public Health (IPH)de_CH
dc.identifier.doi10.3390/ijerph18189894de_CH
dc.identifier.doi10.21256/zhaw-25885-
dc.identifier.pmid34574817de_CH
zhaw.funding.euNode_CH
zhaw.issue9894de_CH
zhaw.originated.zhawYesde_CH
zhaw.publication.statuspublishedVersionde_CH
zhaw.volume18de_CH
zhaw.publication.reviewPeer review (Publikation)de_CH
zhaw.author.additionalNode_CH
zhaw.display.portraitYesde_CH
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Bejer, A., Bieś, A., Kyc, S., Lorenc, M., Mataczyński, P., Domka-Jopek, E., Melloh, M., & Gabel, C. P. (2021). Polish cross-cultural adaptation of the lower limb functional index (LLFI) demonstrates a valid outcome measure for the lower limb region and joints. International Journal of Environmental Research and Public Health, 18(9894). https://doi.org/10.3390/ijerph18189894
Bejer, A. et al. (2021) ‘Polish cross-cultural adaptation of the lower limb functional index (LLFI) demonstrates a valid outcome measure for the lower limb region and joints’, International Journal of Environmental Research and Public Health, 18(9894). Available at: https://doi.org/10.3390/ijerph18189894.
A. Bejer et al., “Polish cross-cultural adaptation of the lower limb functional index (LLFI) demonstrates a valid outcome measure for the lower limb region and joints,” International Journal of Environmental Research and Public Health, vol. 18, no. 9894, 2021, doi: 10.3390/ijerph18189894.
BEJER, Agnieszka, Agnieszka BIEŚ, Sylwia KYC, Magdalena LORENC, Piotr MATACZYŃSKI, Elżbieta DOMKA-JOPEK, Markus MELLOH und Charles Philip GABEL, 2021. Polish cross-cultural adaptation of the lower limb functional index (LLFI) demonstrates a valid outcome measure for the lower limb region and joints. International Journal of Environmental Research and Public Health. 2021. Bd. 18, Nr. 9894. DOI 10.3390/ijerph18189894
Bejer, Agnieszka, Agnieszka Bieś, Sylwia Kyc, Magdalena Lorenc, Piotr Mataczyński, Elżbieta Domka-Jopek, Markus Melloh, and Charles Philip Gabel. 2021. “Polish Cross-Cultural Adaptation of the Lower Limb Functional Index (LLFI) Demonstrates a Valid Outcome Measure for the Lower Limb Region and Joints.” International Journal of Environmental Research and Public Health 18 (9894). https://doi.org/10.3390/ijerph18189894.
Bejer, Agnieszka, et al. “Polish Cross-Cultural Adaptation of the Lower Limb Functional Index (LLFI) Demonstrates a Valid Outcome Measure for the Lower Limb Region and Joints.” International Journal of Environmental Research and Public Health, vol. 18, no. 9894, 2021, https://doi.org/10.3390/ijerph18189894.


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