Measurement invariance of English and French Health Education Impact Questionnaire (heiQ) empowerment scales validated for cancer

Brunet, Jennifer, Lauzier, Sophie, Campbell, H Sharon, Fillion, Lise, Osborne, Richard H and Maunsell, Elizabeth 2015, Measurement invariance of English and French Health Education Impact Questionnaire (heiQ) empowerment scales validated for cancer, Quality of life research, vol. 24, no. 10, pp. 2375-2384, doi: 10.1007/s11136-015-0972-0.

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Title Measurement invariance of English and French Health Education Impact Questionnaire (heiQ) empowerment scales validated for cancer
Author(s) Brunet, Jennifer
Lauzier, Sophie
Campbell, H Sharon
Fillion, Lise
Osborne, Richard HORCID iD for Osborne, Richard H
Maunsell, Elizabeth
Journal name Quality of life research
Volume number 24
Issue number 10
Start page 2375
End page 2384
Total pages 10
Publisher Springer
Place of publication Berlin, Germany
Publication date 2015-10
ISSN 1573-2649
Keyword(s) Empowerment
Language invariance
Validation studies
Outcome assessment (health care)
Summary PURPOSE: If measurement invariance (MI) is demonstrated for a scale completed by respondents from two different language groups, it means that the scale measures the same construct in the same way in both groups. We assessed MI of the French- and English-language versions of the five Health Education Impact Questionnaire (heiQ) empowerment scales validated for the cancer setting. METHODS: Data came from two cross-sectional studies of Canadian cancer survivors (704 English, 520 French). Single-group confirmatory factor analysis (CFA) was used to test whether the hypothesized factor structure of the French-language heiQ empowerment scales fit the data. Multi-group CFAs were conducted to assess different levels of MI conditions (configural, metric, scalar, strict, as well as MI of factor variances, covariances, and latent means) of the French- and English-language heiQ empowerment scales. RESULTS: The correlated five-factor model showed good fit in both language groups (goodness-of-fit indices: CFI ≥ .97; RMSEA ≤ .07). Goodness-of-fit indices and tests of differences in fit between models supported MI of the five-factor model across the two language groups (∆CFI ≤ -.010 combined with ∆RMSEA ≤ .015). CONCLUSIONS: The French- and English-language heiQ empowerment scales measure the same five dimensions of empowerment in the same way across both language groups. Thus, any observed similarities or differences between French- and English-speaking respondents completing these scales are valid and reflect similarities or differences in empowerment across language groups, not measurement artifact. Consequently, heiQ empowerment data from English- and French-speaking respondents can be directly pooled or contrasted in data analyses.
Language eng
DOI 10.1007/s11136-015-0972-0
Field of Research 1117 Public Health And Health Services
Socio Economic Objective 920599 Specific Population Health (excl. Indigenous Health) not elsewhere classified
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2015, Springer
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Document type: Journal Article
Collections: Faculty of Health
School of Health and Social Development
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