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Development of a scale of use, comprehension and attitudes in relationto nutrition labels in Spanish
David Flores-Villalba1, Edgardo Arturo Ayala-Gaytán1, Claudia María María Quintanilla-Domínguez1
1EGADE Business School, Tecnológico de Monterrey. Garza García, Nuevo León, México.
Objective:
To describe the development of a reliable and valid measure of attitudes toward, and use and comprehen- sion 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.
Conclusions:
The final 25-item scale is a valid and reliable measure of use, comprehension and attitude towards nutrition labels for Spanish speaking populations.
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