The ASAS Health Index and Environmental Factors Item Set: validity and reliability of the Swedish translations in Swedish patients with ankylosing spondylitis

References

• van der Linden S, Valkenburg HA, Cats A. Evaluation of diagnostic criteria for ankylosing spondylitis. A proposal for modification of the New York criteria. Arthritis Rheum 1984;27:361–8.
   PubMed Web of Science ®Google Scholar
• Vander Cruyssen B, Ribbens C, Boonen A, Mielants H, de Vlam K, Lenaerts J, et al. The epidemiology of ankylosing spondylitis and the commencement of anti-TNF therapy in daily rheumatology practice. Ann Rheum Dis 2007;66:1072–7.
   PubMed Web of Science ®Google Scholar
• Feldtkeller E, Khan MA, van der Heijde D, van der Linden S, Braun J. Age at disease onset and diagnosis delay in HLA-B27 negative vs. positive patients with ankylosing spondylitis. Rheumatol Int 2003;23:61–6.
   PubMed Web of Science ®Google Scholar
• Rudwaleit M, van der Heijde D, Landewe R, Listing J, Akkoc N, Brandt J, et al. The development of assessment of spondyloarthritis international society classification criteria for axial spondyloarthritis (part II): validation and final selection. Ann Rheum Dis 2009;68:777–83.
   PubMed Web of Science ®Google Scholar
• van Echteld I, Cieza A, Boonen A, Stucki G, Zochling J, Braun J, et al. Identification of the most common problems by patients with ankylosing spondylitis using the international classification of functioning, disability and health. J Rheumatol 2006;33:2475–83.
   PubMed Web of Science ®Google Scholar
• Ward MM. Health-related quality of life in ankylosing spondylitis: a survey of 175 patients. Arthritis Care Res 1999;12:247–55.
   PubMed Web of Science ®Google Scholar
• Machado P, Landewe R, Braun J, Hermann KG, Baraliakos X, Baker D, et al. A stratified model for health outcomes in ankylosing spondylitis. Ann Rheum Dis 2011;70:1758–64.
   PubMed Web of Science ®Google Scholar
• Law L, Beckman Rehnman J, Deminger A, Klingberg E, Jacobsson LTH, Forsblad-d’Elia H. Factors related to health-related quality of life in ankylosing spondylitis, overall and stratified by sex. Arthritis Res Ther 2018;20:284.
   PubMed Web of Science ®Google Scholar
• Sullivan M, Karlsson J, Ware JE Jr. The Swedish SF-36 Health Survey – I. Evaluation of data quality, scaling assumptions, reliability and construct validity across general populations in Sweden. Soc Sci Med 1995;41:1349–58.
   PubMed Web of Science ®Google Scholar
• Boonen A, Braun J, Bruinsma IEV, Huang F, Maksymowych W, Kostanjsek N, et al. ASAS/WHO ICF core sets for ankylosing spondylitis (AS): how to classify the impact of AS on functioning and health. Ann Rheum Dis 2010;69:102–7.
   PubMed Web of Science ®Google Scholar
• Kiltz U, van der Heijde D, Boonen A, Cieza A, Stucki G, Khan MA, et al. Development of a health index in patients with ankylosing spondylitis (ASAS HI): final result of a global initiative based on the ICF guided by ASAS. Ann Rheum Dis 2015;74:830–5.
   PubMed Web of Science ®Google Scholar
• Navarro-Compan V, Boel A, Boonen A, Mease P, Landewe R, Kiltz U, et al. The ASAS-OMERACT core domain set for axial spondyloarthritis. Semin Arthritis Rheum 2021;51:1342–9.
   PubMed Web of Science ®Google Scholar
• Navarro-Compan V, Boel A, Boonen A, Mease PJ, Dougados M, Kiltz U, et al. Instrument selection for the ASAS core outcome set for axial spondyloarthritis. Ann Rheum Dis 2023;82:763–72.
   PubMed Web of Science ®Google Scholar
• Kiltz U, van der Heijde D, Boonen A, Bautista-Molano W, Burgos-Vargas R, Chiowchanwisawakit P, et al. Measuring impairments of functioning and health in patients with axial spondyloarthritis by using the ASAS Health Index and the Environmental Item Set: translation and cross-cultural adaptation into 15 languages. RMD Open 2016;2:e000311.
   PubMed Web of Science ®Google Scholar
• Kiltz U, Boonen A, van der Heijde D, Bautista-Molano W, Burgos Vargas R, Chiowchanwisawakit P, et al. Development of an environmental contextual factor item set relevant to global functioning and health in patients with axial spondyloarthritis. Rheumatology (Oxford) 2022;61:2054–62.
   PubMed Web of Science ®Google Scholar
• Gordeev VS, Maksymowych WP, Evers SMAA, Ament A, Schachna L, Boonen A. Role of contextual factors in health-related quality of life in ankylosing spondylitis. Ann Rheum Dis 2010;69:108–12.
   PubMed Web of Science ®Google Scholar
• Kiltz U, van der Heijde D, Boonen A, Akkoc N, Bautista-Molano W, Burgos-Vargas R, et al. Measurement properties of the ASAS health index: results of a global study in patients with axial and peripheral spondyloarthritis. Ann Rheum Dis 2018;77:1311–17.
   PubMed Web of Science ®Google Scholar
• Beaton DE, Bombardier C, Guillemin F, Ferraz MB. Guidelines for the process of cross-cultural adaptation of self-report measures. Spine (Phila Pa 1976) 2000;25:3186–91.
   PubMed Web of Science ®Google Scholar
• Klingberg E, Geijer M, Gothlin J, Mellstrom D, Lorentzon M, Hilme E, et al. Vertebral fractures in ankylosing spondylitis are associated with lower bone mineral density in both central and peripheral skeleton. J Rheumatol 2012;39:1987–95.
   PubMed Web of Science ®Google Scholar
• Klingberg E, Lorentzon M, Mellstrom D, Geijer M, Gothlin J, Hilme E, et al. Osteoporosis in ankylosing spondylitis - prevalence, risk factors and methods of assessment. Arthritis Res Ther 2012;14:R108.
   PubMed Web of Science ®Google Scholar
• van der Heijde D, Lie E, Kvien TK, Sieper J, Van den Bosch F, Listing J, et al. ASDAS, a highly discriminatory ASAS-endorsed disease activity score in patients with ankylosing spondylitis. Ann Rheum Dis 2009;68:1811–18.
   PubMed Web of Science ®Google Scholar
• Machado P, Landewe R, Lie E, Kvien TK, Braun J, Baker D, et al. Ankylosing Spondylitis Disease Activity Score (ASDAS): defining cut-off values for disease activity states and improvement scores. Ann Rheum Dis 2011;70:47–53.
   PubMed Web of Science ®Google Scholar
• Garrett S, Jenkinson T, Kennedy LG, Whitelock H, Gaisford P, Calin A. A new approach to defining disease status in ankylosing-spondylitis - the Bath Ankylosing-Spondylitis Disease-Activity Index. J Rheumatol 1994;21:2286–91.
   PubMed Web of Science ®Google Scholar
• Calin A, Garrett S, Whitelock H, Kennedy LG, Ohea J, Mallorie P, et al. A new approach to defining functional ability in ankylosing-spondylitis - the development of the Bath Ankylosing-Spondylitis Functional Index. J Rheumatol 1994;21:2281–5.
   PubMed Web of Science ®Google Scholar
• Burstrom K, Sun S, Gerdtham UG, Henriksson M, Johannesson M, Levin LA, et al. Swedish experience-based value sets for EQ-5D health states. Qual Life Res 2014;23:431–42.
   PubMed Web of Science ®Google Scholar
• EuroQol G. EuroQol–a new facility for the measurement of health-related quality of life. Health Policy (New York) 1990;16:199–208.
   PubMed Web of Science ®Google Scholar
• Ware JE Jr, Sherbourne CD, The MOS. 36-item Short-Form Health Survey (SF-36). I. Conceptual framework and item selection. Med Care 1992;30:473–83.
   PubMed Web of Science ®Google Scholar
• Fleiss JL. The design and analysis of clinical experiments. New York: Wiley, 1999.
   Google Scholar
• Terwee CB, Bot SD, de Boer MR, van der Windt DA, Knol DL, Dekker J, et al. Quality criteria were proposed for measurement properties of health status questionnaires. J Clin Epidemiol 2007;60:34–42.
   PubMed Web of Science ®Google Scholar
• Altman DG. Practical statistics for medical research. 1st ed. London: Chapman and Hall, 1991:xii, 611.
   Google Scholar
• Rodrigues-Manica S, Cruz E, Ramiro S, Sousa S, Aguiar R, Sepriano A, et al. The European Portuguese version of the ASAS health index for patients with spondyloarthritis: measurement properties. Acta Reumatol Port 2020;45:26–33.
   PubMed Web of Science ®Google Scholar
• Choi JH, Kim TJ, Shin K, Choi CB, Kim JH, Kim SH, et al. The reliability and validity of a Korean translation of the ASAS health index and environmental factors in Korean patients with axial spondyloarthritis. J Korean Med Sci 2014;29:334–7.
   PubMed Web of Science ®Google Scholar
• Bautista-Molano W, Landewe RBM, Kiltz U, Valle-Onate R, van der Heijde D. Validation and reliability of translation of the ASAS Health Index in a Colombian Spanish-speaking population with spondyloarthritis. Clin Rheumatol 2018;37:3063–8.
   PubMed Web of Science ®Google Scholar
• Di Carlo M, Lato V, Carotti M, Salaffi F. Clinimetric properties of the ASAS Health Index in a cohort of Italian patients with axial spondyloarthritis. Health Qual Life Outcomes 2016;14:78.
   PubMed Web of Science ®Google Scholar
• Akgul O, Bodur H, Ataman S, Yurdakul FG, Capkin E, Gurer G, et al. Clinical performance of ASAS Health Index in patients with ankylosing spondylitis and non-radiographic axial spondyloarthritis: real-world evidence from Multicenter Nationwide Registry. Rheumatol Int 2020;40:1793–801.
   PubMed Web of Science ®Google Scholar