Translation, cross-cultural adaptation, and validation of the 10-item spine functional index (SFI-10) in the Brazilians with musculoskeletal spine disorders

Abstract Purpose To translate and cross-culturally adapt the Spine Functional Index (SFI) into Brazilian Portuguese (SFI-Br) in individuals with musculoskeletal spine disorders. Methods Participants (n=194) answered the Numerical Pain Rating Scale (NPRS), 36-item Short-Form Health Survey (SF-36), Ro...

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Main Authors: Devyd Weyder do Nascimento Freitas, Almir Vieira Dibai-Filho, André Pontes-Silva, Gabriel Gardhel Costa Araujo, Augusto Ribeiro de Oliveira, Plinio da Cunha Leal, Charles Philip Gabel, Cid André Fidelis-de-Paula-Gomes, Christian Emmanuel Torres Cabido
Format: Article
Language:English
Published: BMC 2024-04-01
Series:BMC Musculoskeletal Disorders
Subjects:
Online Access:https://doi.org/10.1186/s12891-024-07406-0
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author Devyd Weyder do Nascimento Freitas
Almir Vieira Dibai-Filho
André Pontes-Silva
Gabriel Gardhel Costa Araujo
Augusto Ribeiro de Oliveira
Plinio da Cunha Leal
Charles Philip Gabel
Cid André Fidelis-de-Paula-Gomes
Christian Emmanuel Torres Cabido
author_facet Devyd Weyder do Nascimento Freitas
Almir Vieira Dibai-Filho
André Pontes-Silva
Gabriel Gardhel Costa Araujo
Augusto Ribeiro de Oliveira
Plinio da Cunha Leal
Charles Philip Gabel
Cid André Fidelis-de-Paula-Gomes
Christian Emmanuel Torres Cabido
author_sort Devyd Weyder do Nascimento Freitas
collection DOAJ
description Abstract Purpose To translate and cross-culturally adapt the Spine Functional Index (SFI) into Brazilian Portuguese (SFI-Br) in individuals with musculoskeletal spine disorders. Methods Participants (n=194) answered the Numerical Pain Rating Scale (NPRS), 36-item Short-Form Health Survey (SF-36), Roland-Morris Disability Questionnaire for General Pain (RMDQ-g), and SFI-25 incorporating the SFI-10. Structural validity, from confirmatory factor analysis (CFA), used comparative fit index (CFI), Tucker-Lewis index (TLI), root mean square error of approximation (RMSEA), and chi-square/degrees of freedom (DF). The best structure was considered from the lower values of the Akaike Information Criterion (AIC) and Bayesian Information Criterion (BIC). Construct and criterion validity used Spearman’s correlation coefficient (rho). Internal consistency used Cronbach’s alpha, reliability used intraclass correlation coefficient (ICC2,1), with ceiling and floor effects determined. Error used the standard error of the measurement (SEM) and minimal detectable change, 90% level (MDC90). Results Adequate fit indices demonstrated an unequivocal one-factor structure only for the SFI-10 (chi-square/DF <3.00, CFI and TLI >0.90, RMSEA <0.08). The SFI-10-Br correlation was high with the SFI-Br (rho=0.914, p<0.001), moderate for the RMDQ-g (rho=-0.78), SF-36 functional capacity domain (rho=0.718) and NPRS (rho=-0.526); and adequate for the remaining SF-36 domains (rho>0.30). Test-retest reliability (ICC2,1=0.826) and internal consistency (alpha=0.864) were high. No ceiling or floor effects were observed, and error was satisfactory (SEM=9.08%, MDC90=25.15%). Conclusion The SFI Brazilian version was successfully produced with the 10-item version showing an unequivocal one-factor structure, high construct and criterion validity, reliability, internal consistency, and satisfactory error. Further research on responsiveness is required.
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spelling doaj.art-d615a80889984ff185e8f5bf18cae7b92024-04-07T11:05:40ZengBMCBMC Musculoskeletal Disorders1471-24742024-04-0125111010.1186/s12891-024-07406-0Translation, cross-cultural adaptation, and validation of the 10-item spine functional index (SFI-10) in the Brazilians with musculoskeletal spine disordersDevyd Weyder do Nascimento Freitas0Almir Vieira Dibai-Filho1André Pontes-Silva2Gabriel Gardhel Costa Araujo3Augusto Ribeiro de Oliveira4Plinio da Cunha Leal5Charles Philip Gabel6Cid André Fidelis-de-Paula-Gomes7Christian Emmanuel Torres Cabido8Postgraduate Program in Physical Education, Universidade Federal do MaranhãoPostgraduate Program in Physical Education, Universidade Federal do MaranhãoPostgraduate Program in Physical Therapy, Universidade Federal de São CarlosPostgraduate Program in Physical Education, Universidade Federal do MaranhãoPostgraduate Program in Physical Education, Universidade Federal do MaranhãoPostgraduate Program in Physical Education, Universidade Federal do MaranhãoAccess PhysiotherapyPostgraduate Program in Rehabilitation Sciences, Universidade Nove de JulhoPostgraduate Program in Physical Education, Universidade Federal do MaranhãoAbstract Purpose To translate and cross-culturally adapt the Spine Functional Index (SFI) into Brazilian Portuguese (SFI-Br) in individuals with musculoskeletal spine disorders. Methods Participants (n=194) answered the Numerical Pain Rating Scale (NPRS), 36-item Short-Form Health Survey (SF-36), Roland-Morris Disability Questionnaire for General Pain (RMDQ-g), and SFI-25 incorporating the SFI-10. Structural validity, from confirmatory factor analysis (CFA), used comparative fit index (CFI), Tucker-Lewis index (TLI), root mean square error of approximation (RMSEA), and chi-square/degrees of freedom (DF). The best structure was considered from the lower values of the Akaike Information Criterion (AIC) and Bayesian Information Criterion (BIC). Construct and criterion validity used Spearman’s correlation coefficient (rho). Internal consistency used Cronbach’s alpha, reliability used intraclass correlation coefficient (ICC2,1), with ceiling and floor effects determined. Error used the standard error of the measurement (SEM) and minimal detectable change, 90% level (MDC90). Results Adequate fit indices demonstrated an unequivocal one-factor structure only for the SFI-10 (chi-square/DF <3.00, CFI and TLI >0.90, RMSEA <0.08). The SFI-10-Br correlation was high with the SFI-Br (rho=0.914, p<0.001), moderate for the RMDQ-g (rho=-0.78), SF-36 functional capacity domain (rho=0.718) and NPRS (rho=-0.526); and adequate for the remaining SF-36 domains (rho>0.30). Test-retest reliability (ICC2,1=0.826) and internal consistency (alpha=0.864) were high. No ceiling or floor effects were observed, and error was satisfactory (SEM=9.08%, MDC90=25.15%). Conclusion The SFI Brazilian version was successfully produced with the 10-item version showing an unequivocal one-factor structure, high construct and criterion validity, reliability, internal consistency, and satisfactory error. Further research on responsiveness is required.https://doi.org/10.1186/s12891-024-07406-0SpineChronic painPatient health questionnaireMeasurement properties
spellingShingle Devyd Weyder do Nascimento Freitas
Almir Vieira Dibai-Filho
André Pontes-Silva
Gabriel Gardhel Costa Araujo
Augusto Ribeiro de Oliveira
Plinio da Cunha Leal
Charles Philip Gabel
Cid André Fidelis-de-Paula-Gomes
Christian Emmanuel Torres Cabido
Translation, cross-cultural adaptation, and validation of the 10-item spine functional index (SFI-10) in the Brazilians with musculoskeletal spine disorders
BMC Musculoskeletal Disorders
Spine
Chronic pain
Patient health questionnaire
Measurement properties
title Translation, cross-cultural adaptation, and validation of the 10-item spine functional index (SFI-10) in the Brazilians with musculoskeletal spine disorders
title_full Translation, cross-cultural adaptation, and validation of the 10-item spine functional index (SFI-10) in the Brazilians with musculoskeletal spine disorders
title_fullStr Translation, cross-cultural adaptation, and validation of the 10-item spine functional index (SFI-10) in the Brazilians with musculoskeletal spine disorders
title_full_unstemmed Translation, cross-cultural adaptation, and validation of the 10-item spine functional index (SFI-10) in the Brazilians with musculoskeletal spine disorders
title_short Translation, cross-cultural adaptation, and validation of the 10-item spine functional index (SFI-10) in the Brazilians with musculoskeletal spine disorders
title_sort translation cross cultural adaptation and validation of the 10 item spine functional index sfi 10 in the brazilians with musculoskeletal spine disorders
topic Spine
Chronic pain
Patient health questionnaire
Measurement properties
url https://doi.org/10.1186/s12891-024-07406-0
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