Key result
English and Chinese Determinants of Salt-Restriction Behaviour Questionnaires show satisfactory test-retest reliability.
Why the study?
Tools such as the Determinants of Salt-Restriction Behaviour Questionnaire inform salt-reduction education for hypertension or cardiac failure, but English translation and psychometric evaluation in Chinese Australians were needed.
Cross-Sectional (n=146)
The English and Chinese versions of the Determinants of Salt-Restriction Behaviour Questionnaire (DSRBQ) are valid and reliable tools for assessing salt-reduction behaviors in people of Chinese ancestry living in Australia.
May aid salt-restriction assessment in Chinese-Australians; leaves open need for prospective validation before wider use.
PURPOSE: Nurses play a key role in educating people about a salt-reduced diet to prevent or manage hypertension or cardiac failure. Assessment tools such as the Chinese Determinants of Salt-Restriction Behaviour Questionnaire (DSRBQ) can provide essential evidence to inform education strategies. This study aimed to translate the DSRBQ into English and evaluate the psychometric properties of the Chinese and English versions for people of Chinese ethnicity in Australia. METHODS: A two-phase cross-sectional descriptive study was conducted. Phase 1: The questionnaire was translated into English using the back-translation method. The translation equivalence and content relevance were evaluated by an expert panel. Three items were revised and eight items were removed. Phase 2: Internal consistency and stability of the questionnaires were evaluated by a group of Chinese Australians. RESULTS: Both the English and Chinese versions had satisfactory psychometric properties. In phase 2, 146 participants completed the questionnaire (test), and 49 participants completed the retest. The Cronbach's alpha scores were 0.638 and 0.584 respectively, and the overall intra-class correlation coefficients were 0.820 and 0.688 respectively for the English and Chinese versions. The Item-Content Validity Index (CVI) ranged from 0.50 to 1.00. The Scale-CVI was 0.94. CONCLUSION: The DSRBQ has been translated into English. Both English and Chinese versions have acceptable validity and reliability. The tools can be used in people from a Chinese cultural background living in Australia. Further validation testing may allow the tools to be adapted for use with other Chinese diaspora groups. The validated DSRBQ will support the development of evidence-based salt reduction nursing assessment tool and interventions for Chinese diasporas who reside in a country where Chinese cultural practices are employed by a minority.
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Chan et al. (2022) conducted a cross-sectional in Dietary salt restriction behavior assessment (n=146). Determinants of Salt-Restriction Behaviour Questionnaire (DSRBQ) was evaluated on Psychometric properties (Cronbach's alpha and intra-class correlation coefficients). The English and Chinese versions of the Determinants of Salt-Restriction Behaviour Questionnaire demonstrated satisfactory test-retest reliability with overall intra-class correlation coefficients of 0.820 and 0.688, respectively.
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