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Title: The Short Form 36 English and Chinese versions were equivalent in a multiethnic Asian population
Authors: Tan, M.L.S.
Wee, H.-L. 
Lee, J. 
Ma, S.
Heng, D.
Tai, E.-S.
Thumboo, J.
Keywords: Economics
Health-related quality of life
Issue Date: Jul-2013
Citation: Tan, M.L.S., Wee, H.-L., Lee, J., Ma, S., Heng, D., Tai, E.-S., Thumboo, J. (2013-07). The Short Form 36 English and Chinese versions were equivalent in a multiethnic Asian population. Journal of Clinical Epidemiology 66 (7) : 759-767. ScholarBank@NUS Repository.
Abstract: Objective: The primary aim of this article was to evaluate measurement equivalence of the English and Chinese versions of the Short Form 36 version 2 (SF-36v2) and Short Form 6D (SF-6D). Study Design and Setting: In this cross-sectional study, health-related quality of life (HRQoL) was measured from 4,973 ethnic Chinese subjects using the SF-36v2 questionnaire. Measurement equivalence of domain and utility scores for the English- and Chinese-language SF-36v2 and SF-6D were assessed by examining the score differences between the two languages using linear regression models, with and without adjustment for known determinants of HRQoL. Equivalence was achieved if the 90% confidence interval (CI) of the differences in scores, due to language, fell within a predefined equivalence margin. Results: Compared with English-speaking Chinese, Chinese-speaking Chinese were significantly older (47.6 vs. 55.5 years). All SF-36v2 domains were equivalent after adjusting for known HRQoL. SF-6D utility/items had the 90% CI either fully or partially overlap their predefined equivalence margin. Conclusion: The English- and Chinese-language versions of the SF-36v2 and SF-6D demonstrated equivalence. © 2013 Published by Elsevier Inc.
Source Title: Journal of Clinical Epidemiology
ISSN: 08954356
DOI: 10.1016/j.jclinepi.2012.12.016
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