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Master's Dissertation
DOI
https://doi.org/10.11606/D.5.2023.tde-06022024-155427
Document
Author
Full name
Kelly Sayuri Takara
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2023
Supervisor
Committee
Pompeu, José Eduardo (President)
Greve, Julia Maria D Andrea
Cabral, Cristina Maria Nunes
Casarotto, Raquel Aparecida
Title in Portuguese
Evidências de validade do questionário de incapacidade de Roland Morris em pessoas idosas com dor lombar crônica residentes na comunidade
Keywords in Portuguese
Autoavaliação
Dor crônica
Dor Lombar
Estudos de Validação
Idoso
Psicometria
Abstract in Portuguese
O presente estudo teve como objetivo verificar as evidências de validade do questionário de incapacidade de Roland Morris (RMDQ-24) em pessoas idosas com dor lombar crônica residentes na comunidade. Quinhentos e vinte e oito pessoas idosas com dor lombar crônica foram incluídas no estudo. As evidências de validade da estrutura interna foram feitas através da análise fatorial exploratória, análise fatorial semi-confirmatória e teoria de resposta ao item. A confiabildiade foi feita através do Kuder-Richardson Formula 20 (KR-20), alpha de Cronbach, e Ômega de McDonald. A replicabilidade do constructo foi feita através do generalized H index (G-H). Os resultados indicaram que o RMDQ-24 apresentou duas dimensões que avalia capacidade funcional e mobilidade. Oito itens foram excluídos por apresentar dupla saturação (itens 2 e 10); valores inadequados de cargas fatoriais e comunalidades (itens 18 e 24), não contemplarem o constructo teórico do instrumento (itens 15, 13 e 22), ou apresentar redundância e com baixas correlações (item 12). A análise semi-confirmatória indicou que o instrumento apresenta um modelo com bom ajuste [x2=153,698 (p=0,00001); RMSEA=0,037; RMSR=0,06; WRMR=0,04; NNFI=0,987; GFI=0,979; AGFI=0,971]. A confiabilidade foi aceitável (KR-20=0,79; Cronbachs alpha=0,86; McDonalds Omega=0,85), mas apresentou replicação inadequada para ambos os fatores (G-H fator 1=0,816-0,655; G-H fator 2=0,889-0,775). Portanto, o RMDQ-24 mais adequado para os adultos idosos contém dezesseis itens e apresenta duas dimensões que avaliam capacidade funcional e mobilidade
Title in English
Evidence of the internal structure validity of the Roland Morris Disability Questionnaire in community-dwelling older adults with chronic low back pain
Keywords in English
Aged adult
Chronic pain
Disability evaluation
Low back pain
Psychometrics
Self-assessment
Validation study
Abstract in English
The present study aimed to explore the evidence of the internal structure validity of the Roland Morris Disability Questionnaire (RMDQ-24) in older adults with chronic low back pain. Five hundred and twenty-eight older adults with chronic low back pain were included in the study. The internal structure validity was explored by exploratory factor analysis, semi-confirmatory factor analysis, and Item Response Theory. Reliability was verified using Kuder-Richardson Formula 20, Cronbachs alpha, and McDonalds omega. Replicability was observed by the generalized H index. The results showed that the Roland-Morris Disability Questionnaire displayed two factors that assess functional capacity and mobility. Eight items were excluded for presenting cross-loading (items 2 and 10), inadequate loading factors and communalities (items 18 and 24), did not relate to the latent construct (items 15, 13, and 22), or were redundant and presented low correlation with other items (item 12). Semi-confirmatory factor analysis indicated that the questionnaire had a good fitness model [X2=153.698(p=0.00001); RMSEA=0.037; RMSR=0.06; WRMR=0.04; NNFI=0.987; GFI=0.979; AGFI=0.971]. Reliability was acceptable (KR-20=0.79; Cronbachs alpha=0.86; McDonalds Omega=0.85), but replicability was poor in both factors (G-H factor 1=0.816-0.655; G-H factor 2=0.889-0.775). Therefore, the most appropriate version of the Roland-Morris Disability Questionnaire to apply to older adults with low back pain has sixteen items and assesses functional capacity and mobility
 
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Publishing Date
2024-02-19
 
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