Cross-cultural adaption of the Health Educaiton Impact Questionnaire: experimental study showed expert committee, not back-translation, added value

Epstein, Jonathan, Osborne, Richard H., Elsworth, Gerald R., Beaton, Dorcas E. and Guillemin, Fancis 2015, Cross-cultural adaption of the Health Educaiton Impact Questionnaire: experimental study showed expert committee, not back-translation, added value, Journal of clinical epidemiology, vol. 68, no. 4, pp. 360-369, doi: 10.1016/j.jclinepi.2013.07.013.

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Title Cross-cultural adaption of the Health Educaiton Impact Questionnaire: experimental study showed expert committee, not back-translation, added value
Author(s) Epstein, Jonathan
Osborne, Richard H.ORCID iD for Osborne, Richard H. orcid.org/0000-0002-9081-2699
Elsworth, Gerald R.ORCID iD for Elsworth, Gerald R. orcid.org/0000-0001-6306-7593
Beaton, Dorcas E.
Guillemin, Fancis
Journal name Journal of clinical epidemiology
Volume number 68
Issue number 4
Start page 360
End page 369
Total pages 10
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2015-04
ISSN 0895-4356
1878-5921
Keyword(s) cross-cultural adaptation
complex measurement scale
back-translation
expert committee
experimental study
heiQ
Summary Objectives
To assess the contribution of back-translation and expert committee to the content and psychometric properties of a translated multidimensional questionnaire.

Study Design and Setting
Recommendations for questionnaire translation include back-translation and expert committee, but their contribution to measurement properties is unknown. Four English to French translations of the Health Education Impact Questionnaire were generated with and without committee or back-translation. Face validity, acceptability, and structural properties were compared after random assignment to people with rheumatoid arthritis (N = 1,168), chronic renal failure (N = 2,368), and diabetes (N = 538). For face validity, 15 bilingual people compared translations quality with the original. Psychometric properties were examined using confirmatory factor analysis (metric and scalar invariance) and item response theory.

Results
Qualitatively, there were five types of translation errors: style, intensity, frequency/time frame, breadth, and meaning. Bilingual assessors ranked best the translations with committee (P = 0.0026). All translations had good structural properties (root mean square error of approximation <0.05; comparative fit index [CFI], ≥0.899; and Tucker–Lewis index, ≥0.889). Full measurement invariance was observed between translations (ΔCFI ≤ 0.01) with metric invariance between translations and original (lowest ΔCFI = 0.022 between fully constrained models and models with free intercepts). Item characteristic curve analyses revealed no significant differences.

Conclusion
This is the first experimental evidence that back-translation has moderate impact, whereas expert committee helps to ensure accurate content.
Language eng
DOI 10.1016/j.jclinepi.2013.07.013
Field of Research 111717 Primary Health Care
Socio Economic Objective 920205 Health Education and Promotion
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2015, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30057954

Document type: Journal Article
Collection: Population Health
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Created: Tue, 19 Nov 2013, 14:00:59 EST by Jane Moschetti

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