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The revised Bristol Rheumatoid Arthritis Fatigue measures and the Rheumatoid Arthritis Impact of Disease scale: validation in six countries

OBJECTIVE: To evaluate the Bristol Rheumatoid Arthritis Fatigue Multidimensional Questionnaire (BRAF-MDQ), the revised Bristol Rheumatoid Arthritis Numerical Rating Scales (BRAF-NRS V2) and the Rheumatoid Arthritis Impact of Disease (RAID) scale in six countries. METHODS: We surveyed RA patients in...

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Autores principales: Hewlett, Sarah, Kirwan, John, Bode, Christina, Cramp, Fiona, Carmona, Loreto, Dures, Emma, Englbrecht, Matthias, Fransen, Jaap, Greenwood, Rosemary, Hagel, Sofia, van de Laar, Maart, Molto, Anna, Nicklin, Joanna, Petersson, Ingemar F, Redondo, Marta, Schett, Georg, Gossec, Laure
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Oxford University Press 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5850460/
https://www.ncbi.nlm.nih.gov/pubmed/29087507
http://dx.doi.org/10.1093/rheumatology/kex370
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author Hewlett, Sarah
Kirwan, John
Bode, Christina
Cramp, Fiona
Carmona, Loreto
Dures, Emma
Englbrecht, Matthias
Fransen, Jaap
Greenwood, Rosemary
Hagel, Sofia
van de Laar, Maart
Molto, Anna
Nicklin, Joanna
Petersson, Ingemar F
Redondo, Marta
Schett, Georg
Gossec, Laure
author_facet Hewlett, Sarah
Kirwan, John
Bode, Christina
Cramp, Fiona
Carmona, Loreto
Dures, Emma
Englbrecht, Matthias
Fransen, Jaap
Greenwood, Rosemary
Hagel, Sofia
van de Laar, Maart
Molto, Anna
Nicklin, Joanna
Petersson, Ingemar F
Redondo, Marta
Schett, Georg
Gossec, Laure
author_sort Hewlett, Sarah
collection PubMed
description OBJECTIVE: To evaluate the Bristol Rheumatoid Arthritis Fatigue Multidimensional Questionnaire (BRAF-MDQ), the revised Bristol Rheumatoid Arthritis Numerical Rating Scales (BRAF-NRS V2) and the Rheumatoid Arthritis Impact of Disease (RAID) scale in six countries. METHODS: We surveyed RA patients in France, Germany, The Netherlands, Spain, Sweden and the UK, including the HAQ, 36-item Short Form Health Survey (SF-36) and potential revisions of the BRAF-NRS coping and Spanish RAID coping items. Factor structure and internal consistency were examined by factor analysis and Cronbach’s α and construct validity by Spearman’s correlation. RESULTS: A total of 1276 patients participated (76% female, 25% with a disease duration <5 years, median HAQ 1.0). The original BRAF-MDQ four-factor structure and RAID single-factor structure were confirmed in every country with ⩾66% of variation in items explained by each factor and all item factor loadings of 0.71–0.98. Internal consistency for the BRAF-MDQ total and subscales was a Cronbach’s α of 0.75–0.96 and for RAID, 0.93–0.96. Fatigue construct validity was shown for the BRAF-MDQ and BRAF-NRS severity and effect scales, correlated internally with SF-36 vitality and with RAID fatigue (r = 0.63–0.93). Broader construct validity for the BRAFs and RAID was shown by correlation with each other, HAQ and SF-36 domains (r = 0.46–0.82), with similar patterns in individual countries. The revised BRAF-NRS V2 Coping item had stronger validity than the original in all analyses. The revised Spanish RAID coping item performed as well as the original. CONCLUSION: Across six European countries, the BRAF-MDQ identifies the same four aspects of fatigue, and along with the RAID, shows strong factor structure and internal consistency and moderate–good construct validity. The revised BRAF-NRS V2 shows improved construct validity and replaces the original.
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spelling pubmed-58504602018-03-23 The revised Bristol Rheumatoid Arthritis Fatigue measures and the Rheumatoid Arthritis Impact of Disease scale: validation in six countries Hewlett, Sarah Kirwan, John Bode, Christina Cramp, Fiona Carmona, Loreto Dures, Emma Englbrecht, Matthias Fransen, Jaap Greenwood, Rosemary Hagel, Sofia van de Laar, Maart Molto, Anna Nicklin, Joanna Petersson, Ingemar F Redondo, Marta Schett, Georg Gossec, Laure Rheumatology (Oxford) Clinical Science OBJECTIVE: To evaluate the Bristol Rheumatoid Arthritis Fatigue Multidimensional Questionnaire (BRAF-MDQ), the revised Bristol Rheumatoid Arthritis Numerical Rating Scales (BRAF-NRS V2) and the Rheumatoid Arthritis Impact of Disease (RAID) scale in six countries. METHODS: We surveyed RA patients in France, Germany, The Netherlands, Spain, Sweden and the UK, including the HAQ, 36-item Short Form Health Survey (SF-36) and potential revisions of the BRAF-NRS coping and Spanish RAID coping items. Factor structure and internal consistency were examined by factor analysis and Cronbach’s α and construct validity by Spearman’s correlation. RESULTS: A total of 1276 patients participated (76% female, 25% with a disease duration <5 years, median HAQ 1.0). The original BRAF-MDQ four-factor structure and RAID single-factor structure were confirmed in every country with ⩾66% of variation in items explained by each factor and all item factor loadings of 0.71–0.98. Internal consistency for the BRAF-MDQ total and subscales was a Cronbach’s α of 0.75–0.96 and for RAID, 0.93–0.96. Fatigue construct validity was shown for the BRAF-MDQ and BRAF-NRS severity and effect scales, correlated internally with SF-36 vitality and with RAID fatigue (r = 0.63–0.93). Broader construct validity for the BRAFs and RAID was shown by correlation with each other, HAQ and SF-36 domains (r = 0.46–0.82), with similar patterns in individual countries. The revised BRAF-NRS V2 Coping item had stronger validity than the original in all analyses. The revised Spanish RAID coping item performed as well as the original. CONCLUSION: Across six European countries, the BRAF-MDQ identifies the same four aspects of fatigue, and along with the RAID, shows strong factor structure and internal consistency and moderate–good construct validity. The revised BRAF-NRS V2 shows improved construct validity and replaces the original. Oxford University Press 2018-02 2017-10-26 /pmc/articles/PMC5850460/ /pubmed/29087507 http://dx.doi.org/10.1093/rheumatology/kex370 Text en © The Author 2017. Published by Oxford University Press on behalf of the British Society for Rheumatology. http://creativecommons.org/licenses/by-nc/4.0/ This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com
spellingShingle Clinical Science
Hewlett, Sarah
Kirwan, John
Bode, Christina
Cramp, Fiona
Carmona, Loreto
Dures, Emma
Englbrecht, Matthias
Fransen, Jaap
Greenwood, Rosemary
Hagel, Sofia
van de Laar, Maart
Molto, Anna
Nicklin, Joanna
Petersson, Ingemar F
Redondo, Marta
Schett, Georg
Gossec, Laure
The revised Bristol Rheumatoid Arthritis Fatigue measures and the Rheumatoid Arthritis Impact of Disease scale: validation in six countries
title The revised Bristol Rheumatoid Arthritis Fatigue measures and the Rheumatoid Arthritis Impact of Disease scale: validation in six countries
title_full The revised Bristol Rheumatoid Arthritis Fatigue measures and the Rheumatoid Arthritis Impact of Disease scale: validation in six countries
title_fullStr The revised Bristol Rheumatoid Arthritis Fatigue measures and the Rheumatoid Arthritis Impact of Disease scale: validation in six countries
title_full_unstemmed The revised Bristol Rheumatoid Arthritis Fatigue measures and the Rheumatoid Arthritis Impact of Disease scale: validation in six countries
title_short The revised Bristol Rheumatoid Arthritis Fatigue measures and the Rheumatoid Arthritis Impact of Disease scale: validation in six countries
title_sort revised bristol rheumatoid arthritis fatigue measures and the rheumatoid arthritis impact of disease scale: validation in six countries
topic Clinical Science
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5850460/
https://www.ncbi.nlm.nih.gov/pubmed/29087507
http://dx.doi.org/10.1093/rheumatology/kex370
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