Brazilian-Portuguese version of the Health Assessment Questionnaire for Spondyloarthropathies (HAQ-S) in patients with ankylosing spondylitis: a translation, cross-cultural adaptation, and validation

Abstract

To translate and cross-culturally adapt to the Brazilian-Portuguese language (BP), five items were added to Health Assessment Questionnaire (HAQ) to validate the resulting HAQ-S BP version for ankylosing spondylitis (AS). The items were translated into BP following translation and back-translation. To assess validity, 25 patients were evaluated using the HAQ, Bath AS Functional Index (BASFI), Bath AS Disease Activity Index (BASDAI), Bath AS Metrology Index (BASMI), and laboratory variables (erythrocyte sedimentation rate, C-reactive protein). One question required modification to adapt culturally to Brazilian conditions. The test-retest and interobserver correlation coefficients were 0.990 (p<0.05) and 0.993 (p<0.05), respectively. HAQ-S BP correlated to BASFI (r=0.574; p<0.05) and to HAQ (r=0.963; p<0.05), but not to BASDAI (r=0.282), BASMI (r=0.194), and laboratory variable. Individually, the fifth item referring to driving correlated highly to neck rotation (r=0.900; p<0.05), while the HAQ-S BP correlated to the neck rotation component (r=0.303), but did not reach statistical significance. The HAQ-S BP version demonstrated adequate reproducibility, internal consistency and validity, confirming its utility in the research of AS in Brazil.

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“…[5] Regarding the psychometric properties, the results of the test/re-test in our study was significantly smaller than that of the Brazilian-Portuguese version (0.99), [18] but it was comparable to the Tunisian version (0.84). The Arabic version of the PI HAQ showed Kappa statistics between 96.2 and 98.9.…”

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“…In 2010, the Brazilian National Health Questionnaire-Disability Index (HAQ) [11,12] and by the EuroQol-5D (EQ-5D), respectively.…”

Validity and reliability of the Turkish version of the Health Assessment Questionnaire for the Spondyloarthropathies

“…This is why we decided that the term "alÂoverio pooetleri" was more convenient. A similar problem in the Wrst question was reported in the Brazil-Portuguese adaptation of HAQ-S. Shinjo et al [9] stated that the term "grocery bags" was not a term used in Brazil or Portugal, and they translated it into a term meaning "supermarket bags".…”

“…Similarly, Shinjo et al [9] found the total HAQ-S score higher than the total HAQ score. Both Daltroy et al [1] and Shinjo et al [9] found that the mean scores of the added two subcategories were higher than the mean scores of the other categories. Similarly in our study, the mean scores of the added two subcategories were found to be higher than the mean scores of the other categories.…”