Factor structure and convergent validity of the Derriford Appearance Scale-24 using standard scoring versus treating ‘not applicable’ responses as missing data: a Scleroderma Patient-centered Intervention Network (SPIN) cohort study

OBJECTIVE: Valid measures of appearance concern are needed in systemic sclerosis (SSc), a rare, disfiguring autoimmune disease. The Derriford Appearance Scale-24 (DAS-24) assesses appearance-related distress related to visible differences. There is uncertainty regarding its factor structure, possibl...

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Detalhes bibliográficos
Publicado no:BMJ Open
Main Authors: Merz, Erin L, Kwakkenbos, Linda, Carrier, Marie-Eve, Gholizadeh, Shadi, Mills, Sarah D, Fox, Rina S, Jewett, Lisa R, Williamson, Heidi, Harcourt, Diana, Assassi, Shervin, Furst, Daniel E, Gottesman, Karen, Mayes, Maureen D, Moss, Tim P, Thombs, Brett D, Malcarne, Vanessa L
Formato: Artigo
Idioma:Inglês
Publicado em: BMJ Publishing Group 2018
Assuntos:
Research Methods
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC5855329/
https://ncbi.nlm.nih.gov/pubmed/29511009
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1136/bmjopen-2017-018641
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