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Cross-Cultural and Construct Validity of the Animated Activity Questionnaire

Abstract : Objective: The Animated Activity Questionnaire (AAQ) assesses activity limitations in patients with hip/knee osteoarthritis and consists of video animations; the patients choose the animation that best matches their own performance. The AAQ has shown good validity and reliability. This study aims to evaluate cross-cultural and construct validity of the AAQ. Methods: Cross-cultural validity was assessed using ordinal logistic regression analysis to evaluate differential item functioning (DIF) across 7 languages. Construct validity was assessed by testing correlations between the AAQ and a patient-reported outcome measure (PROM) and performance-based tests. Results: Data from 1,239 patients were available. Compared to the Dutch language (n = 279), none of the 17 items showed DIF in English (n = 202) or French (n = 193), 1 item showed uniform DIF in Spanish (n = 99) and Norwegian (n = 62), and 2 items showed uniform DIF in Danish (n = 201). In all these languages, the occurrence of DIF did not influence the total score, which remained comparable with the original Dutch version. For Italian (n = 203) versus Dutch, however, 6 items showed uniform DIF, and 1 item showed nonuniform DIF, indicating some problems with the cross-cultural validity between these countries. With regard to construct validity, the correlations with PROM (0.74) and performance-based tests (0.36-0.68) were partly as expected (>0.60). Conclusion: The AAQ, an innovative tool to measure activity limitations that can be placed on the continuum between PROMs and performance-based tests, showed a good overall cross-cultural validity, and seems to have great potential for international use in research and daily clinical practice in many European countries.
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Contributor : Sylvie Vialaron Connect in order to contact the contributor
Submitted on : Thursday, October 31, 2019 - 10:56:11 AM
Last modification on : Wednesday, November 9, 2022 - 9:58:05 AM

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Wilfred Peter, Henrika de Vet, Maarten Boers, Jaap Harlaar, Leo Roorda, et al.. Cross-Cultural and Construct Validity of the Animated Activity Questionnaire. Arthritis Care & Research = Arthritis Care and Research, 2017, 69 (9), pp.1349-1359. ⟨10.1002/acr.23127⟩. ⟨hal-02341052⟩



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