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Salud Pública de México
versão impressa ISSN 0036-3634
Resumo
FLORES-VILLALBA, David; AYALA-GAYTAN, Edgardo Arturo e QUINTANILLA-DOMINGUEZ, Claudia María. Development of a scale of use, comprehension and attitudes in relation to nutrition labels in Spanish. Salud pública Méx [online]. 2019, vol.61, n.1, pp.63-71. Epub 01-Jan-2019. ISSN 0036-3634. https://doi.org/10.21149/8606.
Objective:
To describe the development of a reliable and valid measure of attitudes toward, and use and comprehension of nutritional labels in Spanish speaking countries.
Materials and methods:
The dimensions encompassed in this instrument are attitudes, comprehension and use, combining self-reports and objective measures of nutrition knowledge. Content validity, item analysis, repeat and internal reliability, and convergent and divergent validity were assessed in a pooled sample of 185 individuals.
Results:
Cronbach alpha coefficients (above 0.9) exhibit internal consistency. Exploratory and confirmatory factor analyses of the scale show good properties for convergent and divergent validity.
Conclusion:
The final 25-item scale is a valid and reliable measure of use, comprehension and attitude towards nutrition labels for Spanish speaking populations.
Palavras-chave : nutrition labeling; scale/development; validity and reliability.
