Validation of the Social Appearance Anxiety Scale in Patients With Systemic Sclerosis: A Scleroderma Patient‐Centered Intervention Network Cohort Study. Issue 10 (27th September 2018)

• Record Type: Journal Article
• Authors: Mills, Sarah D.; Kwakkenbos, Linda; Carrier, Marie‐Eve; Gholizadeh, Shadi; Fox, Rina S.; Jewett, Lisa R.; Gottesman, Karen; Roesch, Scott C.; Thombs, Brett D.; Malcarne, Vanessa L.
• Other Names: Baron Murray investigator.; Bartlett Susan J. investigator.; Ells Carolyn investigator.; Hudson Marie investigator.; Jang Yeona investigator.; Körner Annett investigator.; Furst Dan investigator.; Kafaja Suzanne investigator.; van den Hoogen Frank investigator.; Mayes Maureen D. investigator.; Assassi Shervin investigator.; Mouthon Luc investigator.; Nielson Warren R. investigator.; Riggs Robert investigator.; Sauve Maureen investigator.; Fortune Catherine investigator.; Nielsen Karen investigator.; Wigley Fredrick investigator.; Boutron Isabelle investigator.; Maia Angela Costa investigator.; Leite Catarina investigator.; El‐Baalbaki Ghassan investigator.; van den Ende Cornelia investigator.; Fligelstone Kim investigator.; Frech Tracy investigator.; Godard Dominique investigator.; Harel Daphna investigator.; Impens Ann investigator.; Johnson Sindhu R. investigator.; Kennedy Ann Tyrell investigator.; Larche Maggie investigator.; Khalidi Nader investigator.; Marra Carlo investigator.; Pope Janet investigator.; Portales Alexandra investigator.; Rodriguez Reyna Tatiana Sofia investigator.; Luna David investigator.; Schouffoer Anne A. investigator.; Steele Russell J. investigator.; Gyger Genevieve investigator.; Levis Brooke investigator.; Suarez‐Almazor Maria E. investigator.; Welling Joep investigator.; Wong‐Rieger Durhane investigator.; Agard Christian investigator.; Albert Alexandra investigator.; Ikic Alena investigator.; André Marc investigator.; Smets Perrine investigator.; Arsenault Guylaine investigator.; Bissonnette Lyne investigator.; Boire Gilles investigator.; Bruns Alessandra investigator.; Dagenais Pierre investigator.; Fernandes Artur Jose de B. investigator.; Liang Patrick investigator.; Masetto Ariel investigator.; Roux Sophie investigator.; Benmostefa Nouria investigator.; Casadevall Marion investigator.; Chaigne Benjamin investigator.; Cohen Pascal investigator.; London Jonathan investigator.; Paule Romain investigator.; Régent Alexis investigator.; Terrier Benjamin investigator.; Benzidia Ilham investigator.; Farge‐Bancel Dominique investigator.; Hij Adrian investigator.; Berthier Sabine investigator.; Carreira Patricia investigator.; Fare Regina investigator.; Martin Maria investigator.; Melchor Sheila investigator.; Rodriguez Esther investigator.; Chung Lorinda investigator.; Denton Christopher investigator.; Gill Anna investigator.; Domsic Robyn investigator.; Dunne James V. investigator.; Wilcox Pearce investigator.; Fortin Paul R. investigator.; Gordon Jessica investigator.; Spiera Robert investigator.; Granel‐Rey Brigitte investigator.; Grange Claire investigator.; Hachulla Eric investigator.; Hatron Pierre‐Yves investigator.; Lambert Marc investigator.; Launay David investigator.; Sobanski Vincent investigator.; Herrick Ariane L. investigator.; Hinchcliff Monique investigator.; Korman Benjamin investigator.; Varga John investigator.; Jones Niall investigator.; Manning Joanne investigator.; Martin Thierry investigator.; Maurier François investigator.; Mekinian Arsene investigator.; Rivière Sébastien investigator.; Robinson David investigator.; Smith Doug investigator.; Steen Virginia investigator.; Sutton Evelyn investigator.; Thorne Carter investigator.; Cumin Julie investigator.; Pepin Mia R. investigator.; Turner Kimberly investigator.;
• Is Part Of: Arthritis care & research. Volume 70:Issue 10(2018)
• Page Start: 1557
• Page End: 1562
• Publication Date: 2018-09-27
• Subjects: Arthritis -- Periodicals; Rheumatism -- Periodicals; 616.72
• DOI: 10.1002/acr.23514
• Languages: English
• ISSNs: 2151-464X

Abstract

Abstract : Objective: Systemic sclerosis (SSc) is an autoimmune disease that can cause disfiguring changes in appearance. This study examined the structural validity, internal consistency reliability, convergent validity, and measurement equivalence of the Social Appearance Anxiety Scale (SAAS) across SSc disease subtypes. Methods: Patients enrolled in the Scleroderma Patient‐centered Intervention Network Cohort completed the SAAS and measures of appearance‐related concerns and psychological distress. Confirmatory factor analysis (CFA) was used to examine the structural validity of the SAAS. Multiple‐group CFA was used to determine whether SAAS scores can be compared across patients with limited and diffuse disease subtypes. Cronbach's alpha was used to examine internal consistency reliability. Correlations of SAAS scores with measures of body image dissatisfaction, fear of negative evaluation, social anxiety, and depression were used to examine convergent validity. SAAS scores were hypothesized to be positively associated with all convergent validity measures, with correlations significant and moderate to large in size. Results: A total of 938 patients with SSc were included. CFA supported a 1‐factor structure (Comparative Fit Index 0.92, Standardized Root Mean Residual 0.04, and Root Mean Square Error of Approximation 0.08), and multiple‐group CFA indicated that the scalar invariance model best fit the data. Internal consistency reliability was good in the total sample (α = 0.96) and in disease subgroups. Overall, evidence of convergent validity was found with measures of body image dissatisfaction, fear of negative evaluation, social anxiety, and depression. Conclusion: The SAAS can be reliably and validly used to assess fear of appearance evaluation in patients with SSc, and SAAS scores can be meaningfully compared across disease subtypes.